Alabama

USDA-ARS National Soil Dynamics Lab., Auburn, AL

Erbach, Donald C., RL/Agr. Engr., USDA-ARS National Soil Dynamics Lab., Add'tl Info Phone: 334-844-4741 Fax: 334-887-8597 Email: derbach@eng.auburn.edu Mailing Address: 411 S. Donahue Drive, P. O. Box 3439, Auburn, AL 36831-3439. Research Interests: soil management, tillage, water management, soil-water-plant processes, crops

Bailey, Alvin C., Agr. Engr., USDA-ARS National Soil Dynamics Lab., Add'tl Info Phone: 334-844-4741 Fax: 334-887-8597 Email: abailey@eng.auburn.edu Mailing Address: 411 S. Donahue Drive, P. O. Box 3439, Auburn, AL 36831-3439. Research Interests: soil management, tillage, modeling

Edwards, Jr., James H., Soil Sci., USDA-ARS National Soil Dynamics Lab., Add'tl Info Phone: 334-844-4741 Fax: 334-887-8597 Email: jhedward@acesag.auburn.edu Mailing Address: 411 S. Donahue Drive, P. O. Box 3439, Auburn, AL 36831-3439. Research Interests: soil management, soil processes, water management, soil-water-plant processes, crops

Prior, Stephen A., Plant Physiologist, USDA-ARS National Soil Dynamics Lab., Add'tl Info Phone: 334-844-4741 Fax: 334-887-8597 Email: sprior@acesag.auburn.edu Mailing Address: 411 S. Donahue Drive, P. O. Box 3439, Auburn, AL 36831-3439. Research Interests: evapotranspiration, soil processes, soil-water-plant process, crops, climate change

Raper, Randy L., Agr. Engr., USDA-ARS National Soil Dynamics Lab., Add'tl Info Phone: 334-844-4741 Fax: 334-887-8597 Email: rlraper@eng.auburn.edu Mailing Address: 411 S. Donahue Drive, P. O. Box 3439, Auburn, AL 36831-3439. Research Interests: soil management, tillage, crops, systems, modeling

Reeves, D. Wayne, Res. Agron., USDA-ARS National Soil Dynamics Lab., Add'tl Info Phone: 334-844-4666 Fax: 334-887-8597 Email: wreeves@acesag.auburn.edu Mailing Address: 411 S. Donahue Drive, P. O. Box 3439, Auburn, AL 36831-3439. Research Interests: soil management, tillage, water management, crops, systems

Rogers, Jr., Hugo H., Plant Phys., USDA-ARS National Soil Dynamics Lab., Add'tl Info Phone: 334-844-4741 Fax: 334-887-8597 Email: hrogers@acesag.auburn.edu Mailing Address: 411 S. Donahue Drive, P. O. Box 3439, Auburn, AL 36831-3439. Research Interests: evapotranspiration, soil processes, soil-water-plant processes, crops, climate change

Way, Thomas R., Agr. Engr., USDA-ARS National Soil Dynamics Lab., Add'tl Info Phone: 334-844-4741 Fax: 334-887-8597 Email: trway@eng.auburn.edu Mailing Address: 411 S. Donahue Drive, P. O. Box 3439, Auburn, AL 36831-3439. Research Interests: soil management, tillage, crops, systems

Arizona

USDA-ARS Southwest Watershed Research, Tucson, AZ

Goodrich, David C., Res. Hydr./Engr., USDA-ARS Southwest Watershed Research, Add'tl Info Phone: 520-670-6381 ext. 162 Fax: 520-670-5550 Email: goodrich@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: hydrology, runoff, infiltration, modeling, climate change

Heilman, Phillip, Economist, USDA-ARS Southwest Watershed Research, Add'tl Info Phone: 520-670-6381 ext. 148 Fax: 520-670-5550 Email: phil@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: soil erosion, water quality, range

Keefer, Tim O., Hydrologist, USDA-ARS Southwest Watershed Research, Phone: 520-670-6381 ext. 158 Fax: 520-670-5550 Email: keefer@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: hydrology, precipitation, evapotranspiration, soil moisture, climate change

Lane, Leonard J., Supv. Hydrologist, USDA-ARS Southwest Watershed Research, Add'tl Info Phone: 520-670-6381 ext. 163 Fax: 520-670-5550 Email: ljlane@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: hydrology, soil erosion, range, systems, modeling

Masterson II, John, Computer Specialist, USDA-ARS Southwest Watershed Research, Add'tl Info Phone: 520-670-6381 ext. 150 Fax: 520-670-5550 Email: maz@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: soil-water-plant processes, evapotranspiration, infiltration, hydrology

Nichols, Mary H., Hydro. Engr., USDA-ARS Southwest Watershed Research, Phone: 520-670-6381 ext. 161 Fax: 520-670-5550 Email: mnichols@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: soil erosion, hydrology, precipitation

Qi, Jiaquo, Phys. Sci., USDA-ARS Southwest Watershed Research, Add'tl Info Phone: 520-670-6381 ext.151 Fax: 520-670-5550 Email: qi@tucson.ars.ag.gov Mailing Address: 2000 E. Allen Road, Tucson, AZ 85719-1596. Research Interests: hydrology, evapotranspiration, remote sensing , soil-water-plant processes, modeling

Simanton, John R., Hydrologist, USDA-ARS Southwest Watershed Research, Phone: 520-670-6381 ext. 170 Fax: 520-670-5550 Email: simu@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: hydrology, soil erosion, sedimentation, soil-water-plant processes, range

Stone, Jeffry J., Hydrologist, USDA-ARS Southwest Watershed Research, Phone: 520-670-6381 ext. 146 Fax: 520-670-5550 Email: jeff@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: hydrology, runoff, infiltration, water erosion, modeling

Yakowitz, Diana S., Systems Engr., USDA-ARS Southwest Watershed Research, Add'tl Info Phone: 520-670-6381 ext. 144 Fax: 520-670-5550 Email: diana@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: systems, modeling, water quality, water management

USDA-ARS U.S. Water Conservation Lab., Phoenix, AZ

USDA-ARS Environmental & Plant Dynamics Res., Phoenix, AZ

Kimball, Bruce A., RL/Supv. Soil Sci., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: bkimball@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: climate change, evapotranspiration, soil-water-plant processes, modeling, crops

Barnes, Edward M., Agricultural Engineer, USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: ebarnes@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: remote sensing, modeling, evapotranspiration, irrigation, systems

Clarke, Thomas R., Physical Scientist, USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 X251 Fax: 602-379-4355 Email: tclarke@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: remote sensing for farm management, thermal and optical radiometry

Coffelt, Terry A., Res. Genet., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: tcoffelt@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: crops, germplasm evaluation, germplasm enhancement, crop genetics, crop breeding

Dierig, David A., Res. Genet. Plants, USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: ddierig@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: crops, germplasm collection, evaluation, improvement

Idso, Sherwood B., Res. Phys., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: sidso@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: evapotranspiration, remote sensing, soil-water-plant processes, climate change

LaMorte, Robert L., Civil Engineer, USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: rlamorte@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832.

Moran, M. Susan, Phys. Sci., USDA-ARS U.S. Water Conservation Lab., Add'tl Info Phone: 520-670-6381 ext.171 Fax: 520-670-5550 Email: moran@tucson.ars.ag.gov Mailing Address: 2000 East Allen Road, Tucson, AZ 85719-1596. Research Interests: hydrology, evapotranspiration, remote sensing, soil-water-plant processes, modeling

Nakayama, Francis S., Res. Chemist, USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: fnakayam@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: crops, soil processes

Pinter, Jr., Paul J., Res. Biol., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: ppinter@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: remote sensing, evapotranspiration, soil-water-plant processes, climate change

Wall, Gerald W., Plant Physiol., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: gwall@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: global change, ecophysiology, climate change, modeling, soil-water-plant processes

USDA-ARS Irrigation Water Quality Research, Phoenix, AZ

Clemmens, Bert, RL/Res. Hydr./Engr., USDA-ARS U.S. Water Conservation Lab., Add'tl Info Phone: 602-379-4356 x. 269 Fax: 602-379-4355 Email: bclemmen@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: irrigation, water management, hydraulic structures, modeling, systems

Adamsen, Floyd J., Soil Sci., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: fadamsen@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: fertility, ground water quality, soil-water-plant processes, crops

Bautista, Eduardo, Agr. Engr., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: ebautist@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: irrigation, hydraulic structures, systems, modeling

Bouwer, Herman, Res. Hydr./Engr., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: hbouwer@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: groundwater recharge, water reuse, surface water-groundwater relations

Hunsaker, Douglas J., Agr. Engr., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: dhunsake@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: evapotranspiration, soil moisture, water management, irrigation, crops

Replogle, John A., Res. Hydr./Engr., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: jreplogl@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: water management, irrigation, hydraulic structures

Strelkoff, Theodor S., Res. Hydr. Engr., USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: fstrelko@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: surface irrigation, water management, open-channel modeling, infiltration

Wahlin, Brian T., Civil Engineer, USDA-ARS U.S. Water Conservation Lab., Phone: 602-379-4356 Fax: 602-379-4355 Email: bwahlin@uswcl.ars.ag.gov Mailing Address: 4331 East Broadway Road, Phoenix, AZ 85040-8832. Research Interests: flow measurement in open channels and pipelines for irrigation

Arkansas

USDA-ARS Dale Bumpers Small Farms Res Ctr, Booneville, AR

Brauer, David K., Plant Physiologist, USDA-ARS Dale Bumpers Small Farms Res Ctr, Phone: 501-675-3834 x239 Fax: 501-675-2940 Email: dbrauer@spa.ars.usda.gov Mailing Address: 6883 S. State Hwy 23, Booneville, AR 72927-9214.

Aiken, Glen, Research Agronomist, USDA-ARS Dale Bumpers Small Farms Res Ctr, Phone: 501-675-3834 x225 Fax: 501-675-2940 Email: gaiken@spa.ars.usda.gov Mailing Address: 6883 S. State Hwy 23, Booneville, AR 72927-9214. Research Interests: grazing management, pasture ecology

Burke, Joan, Research Animal Scientist, USDA-ARS Dale Bumpers Small Farms Res Ctr, Phone: 501-675-3834 x227 Fax: 501-675-2940 Email: jmburke@spa.ars.usda.gov Mailing Address: 6883 S. State Hwy 23, Booneville, AR 72927-9214. Research Interests: Reproduction and nutrition of grazing livestock

Burner, David, Research Agronomist, USDA-ARS Dale Bumpers Small Farms Res Ctr, Phone: 501-675-3834 x231 Fax: 501-675-2940 Email: dburner@spa.ars.usda.gov Mailing Address: 6883 S. State Hwy 23, Booneville, AR 72927-9214. Research Interests: Agronomic aspects of agroforestry systems

Meisner, James R., Agronomist, USDA-ARS Dale Bumpers Small Farms Res Ctr, Phone: 501-675-3834 x230 Fax: 501-675-2940 Mailing Address: 6883 S. State Hwy 23, Booneville, AR 72927-9214.

Pote, Dan, Soil Scientist, USDA-ARS Dale Bumpers Small Farms Res Ctr, Phone: 501-675-3834 x226 Fax: 501-675-2940 Email: dpote@spa.ars.usda.gov Mailing Address: 6883 S. State Hwy 23, Booneville, AR 72927-9214. Research Interests: soil quality, fertility, erosion and runoff losses

USDA-ARS Poultry Production & Product Safety Res, Fayetteville, AR

Balog, Janice M., Poultry Physiologist, USDA-ARS Poultry Production & Product Safety Res, Add'tl Info Phone: 501-575-2654 Fax: 501-575-7465 Email: jbalog@comp.uark.edu Mailing Address: University of Arkansas, Plant Sciences, Rm. 115, Agronomy Department, Fayetteville, AR 72701.

Huff, Gerry R., Microbiologist, USDA-ARS Poultry Production & Product Safety Res, Add'tl Info Phone: 501-575-2654 Fax: 501-575-7465 Email: grhuff@comp.uark.edu Mailing Address: University of Arkansas, Plant Sciences, Rm. 115, Agronomy Department, Fayetteville, AR 72701.

Huff, William E., Poultry Physiologist, USDA-ARS Poultry Production & Product Safety Res, Add'tl Info Phone: 501-575-2654 Fax: 501-575-7465 Email: huff@comp.uark.edu Mailing Address: University of Arkansas, Plant Sciences, Rm. 115, Agronomy Department, Fayetteville, AR 72701.

Moore, Jr., Philip A., Soil Sci., USDA-ARS Poultry Production & Product Safety Res, Add'tl Info Phone: 501-575-5724 Fax: 501-575-7465 Email: philipm@comp.uark.edu Mailing Address: University of Arkansas, Plant Sciences, Rm. 115, Agronomy Department, Fayetteville, AR 72701. Research Interests: water quality, runoff, soil-water-plant processes, pasture, fertility

Rath, Narayan C., Poultry Physiologist, USDA-ARS Poultry Production & Product Safety Res, Add'tl Info Phone: 501-575-2654 Fax: 501-575-7465 Email: nrath@comp.uark.edu Mailing Address: University of Arkansas, Plant Sciences, Rm. 115, Agronomy Department, Fayetteville, AR 72701.

California

USDA-ARS Western Int. Cropping, Shafter, CA

McLaughlin, J. R., RL/Supv. Res. Ent., USDA-ARS Western Int. Cropping, Phone: 805-746-8001 Fax: 805-746-1619 Email: jmclaughlin@lightspeed.net Mailing Address: U.S. Cotton Research Station, 17053 N. Shafter Avenue, Shafter, CA 93263. Research Interests: entomology

Carter, L. M., Supv. Agr. Engr., USDA-ARS Western Int. Cropping, Phone: 805-746-8004 Fax: 805-746-1619 Email: lcarter@lightspeed.net Mailing Address: U.S. Cotton Research Station, 17053 N. Shafter Avenue, Shafter, CA 93263. Research Interests: agricultural engineering

Chesson, J. H., Agr. Engr., USDA-ARS Western Int. Cropping, Phone: 805-746-8005 Fax: 805-746-1619 Email: jhchesson@lightspeed.net Mailing Address: U.S. Cotton Research Station, 17053 N. Shafter Avenue, Shafter, CA 93263. Research Interests: engineering

DeTar, W. R., Agr. Engr., USDA-ARS Western Int. Cropping, Phone: 805-746-8011 Fax: 805-746-1619 Email: bdetar@lightspeed.net Mailing Address: U.S. Cotton Research Station, 17053 N. Shafter Avenue, Shafter, CA 93263.

Elliott, V. J., Res. Plant Pathol., USDA-ARS Western Int. Cropping, Phone: 805-746-8003 Fax: 805-746-1619 Email: vjelliott@lightspeed.net Mailing Address: U.S. Cotton Research Station, 17053 N. Shafter Avenue, Shafter, CA 93263.

Maas, S. J., Plant Physiol., USDA-ARS Western Int. Cropping, Phone: 805-746-8002 Fax: 805-746-1619 Email: sjmaas@lightspeed.net Mailing Address: U.S. Cotton Research Station, 17053 N. Shafter Avenue, Shafter, CA 93263.

USDA-ARS U.S. Salinity Lab., Riverside, CA

USDA-ARS Plant Science Research, Riverside, CA

Shannon, Michael C., Director/RL/Plant Geneticist, USDA-ARS Plant Science Research, Add'tl Info Phone: 909-369-4815 Fax: 909-369-4960 Email: mshannon@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: salinity, water quality, crops, soil-water-plant processes, systems

Dalton, Frank N., Soil Sci., USDA-ARS Plant Science Research, Phone: 909-369-4848 Fax: 909-342-4963 Email: fdalton@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: salinity, soil-water-plant processes, evapotranspiration

Donovan, Terry J., Agronomist, USDA-ARS Plant Science Research, Phone: 909-369-4841 Fax: 909-342-4963 Email: tdonovan@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: salinity, fertility, tillage

Grieve, Catherine M., Plant Physiol., USDA-ARS Plant Science Research, Phone: 909-369-4836 Fax: 909-342-4963 Email: cgrieve@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: fertility, salinity, water quality, soil-water-plant processes, crops

Layfield, Don A., Chemist, USDA-ARS Plant Science Research, Phone: 909-369-4837 Fax: 909-342-4963 Email: dlayfield@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: salinity, water quality

Poss, Jim A., Soil Sci., USDA-ARS Plant Science Research, Phone: 909-369-4863 Fax: 909-342-4963 Email: jposs@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: evapotranspiration, modeling, soil biology, soil-water-plant processes

Wilson, Clyde, Plant Physiol., USDA-ARS Plant Science Research, Phone: 909-369-4832 Fax: 909-342-4963 Email: cwilson@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: salinity, crops, soil-water-plant processes

Zeng, Linghe, Geneticist/Res. Affiliate, USDA-ARS Plant Science Research, Phone: 909-369-4823 Fax: 909-369-4963 Email: lzeng@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: crops, water quality, soil-water-plant processes

USDA-ARS Soil Physics & Pesticide Research, Riverside, CA

van Genuchten, Martinus T., RL/Soil Phys., USDA-ARS Soil Physics & Pesticide Research, Add'tl Info Phone: 909-369-4847 Fax: 909-342-4964 Email: rvang@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: hydrology, salinity, soil processes, modeling, ground water quality

Cliath, Mark M., Soil Sci., USDA-ARS Soil Physics & Pesticide Research, Add'tl Info Phone: 909-369-4806 Fax: 909-342-4964 Email: mcliath@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: evapotranspiration, ground water quality, surface water quality, meteorology

Papiernik, Sharon K., Soil Scientist, USDA-ARS Soil Physics & Pesticide Research, Add'tl Info Phone: 909-369-4846 Fax: 909-342-4964 Email: spapiernik@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., Riverside, CA 92507-4617. Research Interests: water quality, soil processes, ground water quality

Shouse, Pete J., Soil Sci., USDA-ARS Soil Physics & Pesticide Research, Phone: 909-369-4849 Fax: 909-342-4964 Email: pshouse@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: infiltration, evapotranspiration, soil moisture, water quality, water management

Skaggs, Todd H., Soil Sci., USDA-ARS Soil Physics & Pesticide Research, Add'tl Info Phone: 909-369-4853 Fax: 909-342-4964 Email: tskaggs@ussl.ars.usda.gov Mailing Address: 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: modeling, transport processes, irrigation, drainage

Taylor, Chris D., Chemist, USDA-ARS Soil Physics & Pesticide Research, Phone: 909-369-4825 Fax: 909-342-4964 Email: ctaylor@ussl.ars.usda.gov Mailing Address: 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: soil processes, ground water quality, salinity

Wang, Dong, Res. Biophysical Scientist, USDA-ARS Soil Physics & Pesticide Research, Add'tl Info Phone: 909-369-4846 Fax: 909-342-4964 Email: dwang@ussl.ars.usda.gov Mailing Address: 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: salinity, modeling, hydrology

Yates, Scott R., Soil Sci., USDA-ARS Soil Physics & Pesticide Research, Add'tl Info Phone: 909-369-4803 Fax: 909-342-4964 Email: syates@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: water quality, modeling, hydrology, meteorology, soil processes

USDA-ARS Soil & Water Chemistry Research, Riverside, CA

Suarez, Don L., RL/Geologist, USDA-ARS Soil & Water Chemistry Research, Add'tl Info Phone: 909-369-4816 Fax: 909-342-4962 Email: dsuarez@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: salinity, water quality, modeling, water management, drainage

Corwin, Dennis L., Soil Sci., USDA-ARS Soil & Water Chemistry Research, Add'tl Info Phone: 909-369-4819 Fax: 909-342-4962 Email: dcorwin@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: ground water quality, modeling, salinity, gis

Goldberg, Sabine R., Soil Sci., USDA-ARS Soil & Water Chemistry Research, Add'tl Info Phone: 909-369-4820 Fax: 909-342-4962 Email: sgoldberg@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: salinity, water quality, modeling

Vaughan, Peter, Research Hydrologist, USDA-ARS Soil & Water Chemistry Research, Add'tl Info Phone: 909-369-4875 Fax: 909-342-4962 Email: pvaughan@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617.

Wood, Jim D., Soil Sci., USDA-ARS Soil & Water Chemistry Research, Add'tl Info Phone: 909-369-4808 Fax: 909-342-4962 Email: jwood@ussl.ars.usda.gov Mailing Address: U.S. Salinity Lab., 450 W. Big Springs Road, Riverside, CA 92507-4617. Research Interests: water quality, salinity

USDA-ARS Water Management Research, Fresno, CA

Trout, Tom J., RL/Supv. Agr. Engr., USDA-ARS Water Management Research, Add'tl Info Phone: 559-453-3101 Fax: 559-453-3122 Email: ttrout@asrr.arsusda.gov Mailing Address: 2021 S. Peach Avenue, Fresno, California 93727. Research Interests: water management, irrigation, infiltration, soil erosion, soil-water-plant processes

Ajwa, Husein A., Soil Sci., USDA-ARS Water Management Research, Add'tl Info Phone: 559-453-3105 Fax: 559-453-3122 Email: Ajwa@pwa.ars.usda.gov Mailing Address: 2021 S. Peach Avenue, Fresno, California 93727. Research Interests: soil-water-plant processes, water management, ground water quality, salinity, fertility

Ayars, James E., Agricultural Engineer, USDA-ARS Water Management Research, Add'tl Info Phone: 559-453-3104 Fax: 559-453-3122 Email: Ayars@pwa.ars.usda.gov Mailing Address: 2021 S. Peach Avenue, Fresno, California 93727. Research Interests: water management, irrigation, drainage, soil-water-plant processes, salinity

Banuelos, Gary S., Soil Sci., USDA-ARS Water Management Research, Add'tl Info Phone: 559-453-3115 Fax: 559-453-3122 Email: banuelos@asrr.arsusda.gov Mailing Address: 2021 S. Peach Avenue, Fresno, California 93727. Research Interests: soil-water-plant processes, water management, crops, salinity, soil management

Bryla, David R., Research Agronomist, USDA-ARS Water Management Research, Add'tl Info Phone: 559-453-3106 Fax: 559-453-3122 Email: Bryla@pwa.ars.usda.gov Mailing Address: 2021 S. Peach Avenue, Fresno, California 93727.

Pflaum, Tom J., Chemist, USDA-ARS Water Management Research, Phone: 559-453-3116 Fax: 559-453-3122 Mailing Address: 2021 S. Peach Avenue, Fresno, California 93727. Research Interests: water management

Schoneman, Richard A., Agricultural Engineer, USDA-ARS Water Management Research, Phone: 559-453-3123 Fax: 559-453-3122 Email: Schonemn@asrr.arsusda.gov Mailing Address: 2021 S. Peach Avenue, Fresno, California 93727. Research Interests: water management, irrigation, drainage, groundwater quality

Wade, Donald L, Chemist, USDA-ARS Water Management Research, Phone: 559-453-3134 Fax: 559-453-3122 Email: Dwade@asrr.arsusda.gov Mailing Address: 2021 S. Peach Avenue, Fresno, California 93727.

Colorado

Central Great Plains Research, Akron, CO

Anderson, Randy L., RL/Agronomist, Central Great Plains Research, Phone: 970-345-2259 Fax: 970-345-2088 Email: rlander@lamar.colostate.edu Mailing Address: 40335 County Road GG, P. O. Box 400, Akron, CO 80722-0400. Research Interests: soil-water-plant processes, crops, systems

Aiken, Rob, Soil Scientist, Central Great Plains Research, Phone: 970-3450519 Fax: 970-345-2088 Email: aiken@gpsr.colostate.edu Mailing Address: 40335 County Road GG, P. O. Box 400, Akron, CO 80722-0400. Research Interests: evapotranspiration, sol biology, water quality, soil-water-plant processes, modeling

Benjamin, Joseph G., Soil Scientist, Central Great Plains Research, Add'tl Info Phone: 970-345-0518 Fax: 970-345-2088 Email: jbenjamn@lamar.colostate.edu Mailing Address: 40335 County Road GG, P. O. Box 400, Akron, CO 80722-0400. Research Interests: infiltration, soil water, tillage, soil management

Bowman, Rudy A., Soil Sci., Central Great Plains Research, Add'tl Info Phone: 970-345-0520 Fax: 970-345-2088 Email: rbowman@lamar.colostate.edu Mailing Address: 40335 County Road GG, P. O. Box 400, Akron, CO 80722-0400. Research Interests: soil erosion, tillage, fertility, soil processes, soil-water-plant processes

Nielsen, David C., Agronomist, Central Great Plains Research, Add'tl Info Phone: 970-345-0507 Fax: 970-345-2088 Email: dnielsen@lamar.colostate.edu Mailing Address: 40335 County Road GG, P. O. Box 400, Akron, CO 80722-0400. Research Interests: evapotranspiration, soil moisture, irrigation, soil-water-plant processes, crops

Vigil, Merle F., Soil Sci., Central Great Plains Research, Add'tl Info Phone: 970-345-0517 Fax: 970-345-2088 Email: mvigil@lamar.colostate.edu Mailing Address: 40335 County Road GG, P. O. Box 400, Akron, CO 80722-0400. Research Interests: fertility, soil biology, modeling, microbiology, tillage

Crops Research Lab., Fort Collins, CO

Great Plains Systems Research, Fort Collins, CO

Ahuja, Laj R., RL/Supv. Soil Sci., Great Plains Systems Research, Add'tl Info Phone: 970-490-8315 Fax: 970-490-8310 Email: ahuja@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: Infiltration, soil moisture , tillage, water quality, modeling

Ascough, Jim C., Res. Hydr. Engr., Great Plains Systems Research, Add'tl Info Phone: 970-490-8371 Fax: 970-490-8310 Email: ascough@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: hydrology, water erosion, surface water quality, ground water quality, systems

Bartling, Pat N. S., Range Sci., Great Plains Systems Research, Add'tl Info Phone: 970-490-8333 Fax: 970-490-8310 Email: pat@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353 (80, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: systems, modeling

Dailey, Bill J., Computer Sys. Anal., Great Plains Systems Research, Add'tl Info Phone: 970-490-8324 Fax: 970-490-8310 Email: dailey@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353 (80, P. O. Box E, Fort Collins, CO 80522-0470.

Dunn, Gale H., Soil Sci., Great Plains Systems Research, Add'tl Info Phone: 970-490-8320 Fax: 970-490-8310 Email: dunn@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353 (80, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: infiltration, soil moisture, tillage, ground water quality, modeling

Green, Timothy R., Agrl. Engr., Great Plains Systems Research, Add'tl Info Phone: 970-490-8315 Fax: 970-490-8310 Email: green@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353 (80, P. O. Box E, Fort Collins, CO 80522-0470.

McMaster, Greg S., Res. Agron., Great Plains Systems Research, Add'tl Info Phone: 970-490-8340 Fax: 970-490-8310 Email: greg@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353 (80, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: soil-water-plant processes, crops, systems, modeling, plant physiology

Rector, Harriet D., Mathematician, Great Plains Systems Research, Add'tl Info Phone: 970-490-8331 Fax: 970-490-8310 Email: rector@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353 (80, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: hydrology, GIS, water quality, systems, modeling

Rojas, Kenneth W., Hydraul. Comp. Spec., Great Plains Systems Research, Add'tl Info Phone: 970-490-8326 Fax: 970-490-8310 Email: kenr@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: hydrology, water quality, systems, modeling

Shaffer, Marv J., Soil Sci., Great Plains Systems Research, Add'tl Info Phone: 970-490-8337 Fax: 970-490-8310 Email: shaffer@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353 (80, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: fertility, soil processes, ground water quality, systems, modeling

Weltz, Mark A., Range Scientist, Great Plains Systems Research, Add'tl Info Phone: 970-490-8323 Fax: 970-490-8310 Email: weltz@gpsr.colostate.edu Mailing Address: 301 South Howes Street, Rm. 353 (80, P. O. Box E, Fort Collins, CO 80522-0470. Research Interests: hydrology, precipitation, runoff, soil erosion, climate change

USDA-ARS-Soil-Plant-Nutrient Research, Fort Collins, CO

Follett, Ron F., RL/Supv. Soil Sci., USDA-ARS-Soil-Plant-Nutrient Research, Phone: 970-490-8220 Fax: 970-490-8213 Email: rfollett@lamar.colostate.edu Mailing Address: 301 South Howes Street, Rm. 407, P.O. Box E, Fort Collins, CO 80522-0470. Research Interests: soil biology, soil fertility, soil-water-plant processes, water quality

Delgado, Jorge A., Soil Sci., USDA-ARS-Soil-Plant-Nutrient Research, Add'tl Info Phone: 970-490-8260 Fax: 970-490-8213 Email: jdelgado@lamar.colostate.edu Mailing Address: 301 South Howes Street, Rm. 407, P.O. Box E, Fort Collins, CO 80522-0470. Research Interests: fertility, soil processes, ground water quality, modeling

Halvorson, Ardell D., Supv. Soil Sci., USDA-ARS-Soil-Plant-Nutrient Research, Phone: 970-490-8230 Fax: 970-490-8213 Email: adhalvor@lamar.colostate.edu Mailing Address: 301 South Howes Street, Rm. 407, P.O. Box E, Fort Collins, CO 80522-0470. Research Interests: precipitation, soil management, tillage, fertility, soil-water-plant processes

Hutchinson, Gordon L., Soil Sci., USDA-ARS-Soil-Plant-Nutrient Research, Phone: 970-490-8240 Fax: 970-490-8213 Email: glhutch@lamar.colostate.edu Mailing Address: 301 South Howes Street, Rm. 407, P.O. Box E, Fort Collins, CO 80522-0470. Research Interests: soil biology, soil-water-plant processes, modeling, climate change

Mosier, Arvin R., Res. Chemist, USDA-ARS-Soil-Plant-Nutrient Research, Phone: 970-490-8250 Fax: 970-490-8213 Email: amosier@lamar.colostate.edu Mailing Address: 301 South Howes Street, Rm. 407, P.O. Box E, Fort Collins, CO 80522-0470. Research Interests: fertility, soil processes, soil biology, soil-water-plant processes, range, climate change

Reule, Curtis A., Soil Sci., USDA-ARS-Soil-Plant-Nutrient Research, Phone: 970-490-8200 Fax: 970-490-8213 Email: creule@lamar.colostate.edu Mailing Address: 301 South Howes Street, Rm. 407, P.O. Box E, Fort Collins, CO 80522-0470. Research Interests: fertility, tillage, soil management, salinity

Frasier, Gary W., Res. Hydr./Engr., USDA-ARS Rangeland Resources Research, Phone: 970-498-4232 Fax: 970-482-2909 Email: gfrasier@lamar.colostate.edu Mailing Address: Crops Research Lab., 1701 Center Avenue, Fort Collins, CO 80526-2083. Research Interests: hydrology, runoff, infiltration, water erosion, range

LeCain, Daniel R., Plant Phys., USDA-ARS Rangeland Resources Research, Phone: 970-498-4217 Fax: 970-482-2909 Email: lecain@lamar.colostate.edu Mailing Address: Crops Research Lab., 1701 Center Avenue, Fort Collins, CO 80526. Research Interests: soil-water-plant processes, climate change, range

Reeder, Jean, Soil Scientist, USDA-ARS Rangeland Resources Research, Phone: 970-498-4236 Fax: 970-482-2909 Email: jdreeder@lamar.colostate.edu Mailing Address: Crops Research Lab., 1701 Center Avenue, Fort Collins, CO 80525. Research Interests: soil biology, fertility, soil processes, range

USDA-ARS Water Management Research, Fort Collins, CO

Heermann, Dale F., RL/Supv. Agr. Engr., USDA-ARS Water Management Research, Add'tl Info Phone: 970-491-8511 Fax: 970-491-8247 Email: heermann@wmu.aerc.colostate.edu Mailing Address: Colorado State University, Ag Engineering Research Ctr., Fort Collins, CO 80523-1325. Research Interests: water management, irrigation, water quality, systems, evapotranspiration

Bausch, Walter, Agr. Engr., USDA-ARS Water Management Research, Add'tl Info Phone: 970-491-8264 Fax: 970-491-8247 Email: bausch@wmu.aerc.colostate.edu Mailing Address: Colorado State University, Ag Engineering Research Ctr., Fort Collins, CO 80523-1325. Research Interests: remote sensing, evapotranspiration, water management, water quality, soil-water-plant processes

Buchleiter, Gerald W., Agr. Engr., USDA-ARS Water Management Research, Add'tl Info Phone: 970-491-8213 Fax: 970-491-8247 Email: buchleiter@wmu.aerc.colostate.edu Mailing Address: Colorado State University, Ag Engineering Research Ctr., Fort Collins, CO 80523-1325. Research Interests: evapotranspiration, systems, water management, water quality, irrigation

Duke, Harold R., Agr. Engr., USDA-ARS Water Management Research, Add'tl Info Phone: 970-491-8230 Fax: 970-491-8247 Email: duke@wmu.aerc.colostate.edu Mailing Address: Colorado State University, Ag Engineering Research Ctr., Fort Collins, CO 80523-1325. Research Interests: evapotranspiration, water management, irrigation, water erosion

Miskimins, Richard D., Mathematician, USDA-ARS Water Management Research, Add'tl Info Phone: 970-491-8226 Fax: 970-491-8247 Email: miskimins@wmu.aerc.colostate.edu Mailing Address: Colorado State University, Ag Engineering Research Ctr., Fort Collins, CO 80523-1325.

Stahl, Kris M., Statistician, USDA-ARS Water Management Research, Add'tl Info Phone: 970-491-8228 Fax: 970-491-8226 Email: stahl@wmu.aerc.colostate.edu Mailing Address: Colorado State University, Ag Engineering Research Ctr., Fort Collins, CO 80523-1325.

Wiles, Lori J., Plant Physiologist, USDA-ARS Water Management Research, Add'tl Info Phone: 970-491-8230 Fax: 970-491-8247 Email: wiles@wmu.aerc.colostate.edu Mailing Address: Colorado State University, Ag Engineering Research Ctr., Fort Collins, CO 80523-1325. Research Interests: Weed Ecologist

Florida

USDA-ARS Beef Cattle Research Unit, Brooksville, FL

Chase, Chadwick, RL/Res. Animal Scientist, USDA-ARS Beef Cattle Research Unit, Phone: 352-796-3385 Fax: 352-796-2930 Email: cccj@gnv.ifas.ufl.edu Mailing Address: 22271 Chinsegut Hill Road, Brooksville, FL 34601-4672.

Adams, Ervin L., Superintendent, USDA-ARS Beef Cattle Research Unit, Phone: 352-796-3385 Fax: 352-796-2930 Email: ela@icon.bkv.ufl.edu Mailing Address: 22271 Chinsegut Hill Road, Brooksville, FL 34601-4672.

Bowers, Edwin J., Biologist, USDA-ARS Beef Cattle Research Unit, Phone: 352-796-3385 Fax: 352-796-2930 Email: mjwi@icon.bkv.ufl.edu Mailing Address: 22271 Chinsegut Hill Road, Brooksville, FL 34601-4672.

Williams, Mimi J., Plant Physiologist, USDA-ARS Beef Cattle Research Unit, Phone: 352-796-3385 Fax: 352-796-2930 Email: mjwi@icon.bkv.ufl.edu Mailing Address: 22271 Chinsegut Hill Road, Brooksville, FL 34601-4672.

USDA-ARS-SHRS, Everglades Agro-Hydrology, Miami, FL

Savabi, M. Reza, Hydrologist, USDA-ARS-SHRS, Everglades Agro-Hydrology, Phone: 305-254-3633 Fax: 305-234-2540 Email: miare@ars-grin.gov Mailing Address: 13601 Old Cutler Road, Miami, FL 33158. Research Interests: infiltration, water erosion, evapotranspiration, soil moisture, modeling, water quality

USDA-ARS Crop Genetic & Environmental Res., Gainesville, FL

Allen, Jr., L. Hartwell, Soil Sci., USDA-ARS Crop Genetic & Environmental Res., Phone: 352-392-1821 Fax: 352-374-5852 Email: lhajr@gnv.ifas.ufl.edu Mailing Address: University of Florida, Agronomy Physiology Lab., Bg. 164, Mowry Drive, Gainesville, FL 32611-0621.

Vu, Joseph C., Plant Physiologist, USDA-ARS Crop Genetic & Environmental Res., Phone: 352-392-1821 x208 Fax: 352-374-5852 Email: aksch@gnv.ifas.ufl.edu Mailing Address: University of Florida, Agronomy Physiology Lab., Bg. 164, Mowry Drive, Gainesville, FL 32611-0621.

Georgia

USDA-ARS Forage and Turf Research Unit, Tifton, GA

Burton, Glenn W., RL/Research Geneticist, USDA-ARS Forage and Turf Research Unit, Phone: 912-386-3353 Fax: 912-391-3701 Mailing Address: P.O. Box 748, Tifton, GA 31793.

Gates, Roger N., Research Agronomist, USDA-ARS Forage and Turf Research Unit, Phone: 912-386-3353 Fax: 912-391-3701 Email: rngates@tifton.cpes.peachnet.edu Mailing Address: P.O. Box 748, Tifton, GA 31793.

Wilson, Jeffrey P., , USDA-ARS Forage and Turf Research Unit, Phone: 912-386-3353 Fax: 912-391-3701 Email: jwilson@tifton.cpes.peachnet.edu Mailing Address: P.O. Box 748, Tifton, GA 31793.

USDA-ARS Southeast Watershed Research Lab., Tifton, GA

Hubbard, Robert K., Soil Sci./Acting Res. Ldr., USDA-ARS Southeast Watershed Research Lab., Add'tl Info Phone: 912-386-3462 Fax: 912-386-7215 Email: hubbard@tifton.cpes.peachnet.edu Mailing Address: Coastal Plain Experiment Station, P. O. Box 946, Rainwater Road, Tifton, GA 31794. Research Interests: soil management, soil processes, ground water quality, surface water quality

Wauchope, Robert D., Res. Chemist, USDA-ARS Southeast Watershed Research Lab., Phone: 912-386-3892 Fax: 912-386-7225 Email: don@tifton.cpes.peachnet.edu Mailing Address: Coastal Plains Experiment Sta., P. O. Box 748, Tifton, GA 31793. Research Interests: water quality, runoff, modeling, soil processes, surface water quality

Bosch, David D., Res. Hydraulic Engr., USDA-ARS Southeast Watershed Research Lab., Add'tl Info Phone: 912-386-3899 Fax: 912-386-7215 Email: dbosch@tifton.cpes.peachnet.edu Mailing Address: Coastal Plain Experiment Station, P. O. Box 946, Rainwater Road, Tifton, GA 31794. Research Interests: hydrology, soil moisture, groundwater, water quality, modeling

Hargett, Leila M., Chemist, USDA-ARS Southeast Watershed Research Lab., Add'tl Info Phone: 912-386-3890 Fax: 912-386-7215 Email: leila@tifton.cpes.peachnet.edu Mailing Address: Coastal Plain Experiment Station, P. O. Box 946, Rainwater Road, Tifton, GA 31794. Research Interests: surface water quality, ground water quality

Lowrance, Richard R., Ecologist, USDA-ARS Southeast Watershed Research Lab., Add'tl Info Phone: 912-386-3894 Fax: 912-386-7215 Email: lorenz@tifton.cpes.peachnet.edu Mailing Address: Coastal Plain Experiment Station, P. O. Box 946, Rainwater Road, Tifton, GA 31794. Research Interests: soil processes, water quality, modeling

Marti, Luz R., Chemist, USDA-ARS Southeast Watershed Research Lab., Phone: 912-386-7069 Fax: 912-386-7215 Email: luzm@tifton.cpes.peachnet.edu Mailing Address: Coastal Plain Experiment Station, P. O. Box 946, Rainwater Road, Tifton, GA 31794. Research Interests: groundwater, ground water quality

Sheridan, Joe M., Res. Hydraulic Engr., USDA-ARS Southeast Watershed Research Lab., Add'tl Info Phone: 912-386-3296 Fax: 912-386-7215 Email: sheridan@tifton.cpes.peachnet.edu Mailing Address: Coastal Plain Experiment Station, P. O. Box 946, Rainwater Road, Tifton, GA 31794. Research Interests: hydrology, precipitation, runoff, soil erosion, modeling

Truman, Clinton C., Soil Sci., USDA-ARS Southeast Watershed Research Lab., Add'tl Info Phone: 912-386-7174 Fax: 912-386-7215 Email: ctswrl@tifton.cpes.peachnet.edu Mailing Address: Coastal Plain Experiment Station, P. O. Box 946, Rainwater Road, Tifton, GA 31794. Research Interests: runoff, soil moisture, soil erosion, soil processes, surface water quality

Williams, Randy G., Agr. Engr., USDA-ARS Southeast Watershed Research Lab., Add'tl Info Phone: 912-386-3895 Fax: 912-386-7215 Email: randy@tifton.cpes.peachnet.edu Mailing Address: Coastal Plain Experiment Station, P. O. Box 946, Rainwater Road, Tifton, GA 31794. Research Interests: hydrology, soil erosion, water quality, soil-water-plant processes, modeling

USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Watkinsville, GA

Steiner, Jean L., RL/Supv. Soil Sci., USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Add'tl Info Phone: 706-769-5631 ext.203 Fax: 706-769-8962 Email: jsteiner@arches.uga.edu Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677. Research Interests: evapotranspiration, water management, soil-water-plant processes, systems

Dillard, Anthony L., Agr. Engr., USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Phone: 706-769-5631 ext.220 Fax: 706-769-8962 Email: adillard@bae.uga.edu Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677. Research Interests: hydrology, remote sensing, systems, modeling

Endale, Dinku, Agricultural Engineer, USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Phone: 706-769-5631 ext.239 Fax: 706-769-8962 Email: dendale@arches.uga.edu Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677. Research Interests: soil management, fertility, soil processes, ground water quality, pasture

Fisher, Dwight S, Rangeland Scientist, USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Phone: 706-769-5631 ext.268 Fax: 706-769-8962 Email: dwight_fisher@scientist.com Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677.

Franzluebbers, Alan J., Ecologist, USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Add'tl Info Phone: 706-769-5631 ext.223 Fax: 706-769-8962 Email: afranz@arches.uga.edu Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677-2373. Research Interests: microbial biomass, nutrient cycling, soil biology, soil management, infiltration, tillage

Harper, Lowry A., Soil Sci., USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Add'tl Info Phone: 706-769-5631 ext.225 Fax: 706-769-8962 Email: lharper@arches.uga.edu Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677. Research Interests: nutrient balance, gas emissions, gas transport, climate change, micrometeorology

Schomberg, Harry H., Ecologist, USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Add'tl Info Phone: 706-769-5631 ext.222 Fax: 706-769-8962 Email: hschomberg@ag.gov Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677. Research Interests: soil management, fertility, soil processes, modeling

Sharpe, Ronald R., Soil Sci., USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Add'tl Info Phone: 706-769-5631 ext.227 Fax: 706-769-8962 Email: rsharpe@arches.uga.edu Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677. Research Interests: soil moisture, fertility, water quality, climate change

Stark, Deborah A., Hydrologist, USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Phone: 706-769-5631 ext.231 Fax: 706-769-8962 Email: dstark@arches.uga.edu Mailing Address: 1420 Experiment Station Road, Watkinsville, GA 30677.

Stuedeman, John A., Res. Animal Sci., USDA-ARS J. P. Campbell, Sr. Natural Resource Ctr, Add'tl Info Phone: 706-769-5631 ext.247 Fax: 706-769-8962 Email: jstuedem@arches.uga.edu Mailing Address: 1420 Experiment Station Road, P. O. Box 555, Watkinsville, GA 30677. Research Interests: infiltration, soil-water-plant processes, range, pasture, systems

USDA-ARS Pacific Basin Agricultural Res Ctr, Hilo, Hawaii

Quisenberry, Jerry, Laboratory Director, USDA-ARS Pacific Basin Agricultural Res Ctr, Phone: 808-959-4300 Fax: 808-959-4323 Email: jeq@aloha.net Mailing Address: PO Box 4459, Hilo, Hawaii.

Idaho

USDA-ARS Northwest Irrigation & Soils Research Lab, Kimberly, ID

Westermann, Dale T., Director/Soil Sci., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6524 Fax: 208-423-6555 Email: dtw@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: soil management, fertility, soil processes, water quality, soil-water-plant processes

Aase, J. Kris, Soil Scientist, USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6544 Fax: 208-423-6555 Email: aase@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: evapotranspiration, soil moisture, remote sensing, soil management, tillage

Bjorneberg, David L., Agr. Eng., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6521 Fax: 208-423-6555 Email: bdavid@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: hydrology, soil erosion, tillage, irrigation, water quality

Entry, James A., Soil Microbiologist, USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6553 Fax: 208-423-6555 Email: Jentry@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341.

Fisher, H. Dale, Electron. Engr., USDA-ARS Northwest Irrigation & Soils Research Lab, Phone: 208-423-6536 Fax: 208-423-6555 Email: fisher@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341.

Kincaid, Dennis C., Agr. Engr., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6503 Fax: 208-423-6555 Email: kincaid@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: runoff, water erosion, water management, irrigation

Lehrsch, Gary A., Soil Sci., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6508 Fax: 208-423-6555 Email: lehrsch@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: infiltration, water erosion, soil management, water quality

Lentz, Roderick D., Soil Sci., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6531 Fax: 208-423-6555 Email: lentz@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: precipitation, runoff, soil erosion, soil management

Mayland, Henry F., Soil Sci., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6517 Fax: 208-423-6555 Email: mayland@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: soil management, fertility, soil-water-plant processes, range, pasture

Robbins, Chuck W., Soil Sci., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6530 Fax: 208-423-6555 Email: robbins@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: soil management, fertility, salinity, soil processes

Sojka, Robert E., Soil Sci., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6562 Fax: 208-423-6555 Email: sojka@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: infiltration, water erosion, soil management, tillage, water quality, polyacrylamide (PAM)

Stevens, John L., Computer Spec., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6519 Fax: 208-423-6555 Email: stevens@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: Netware networks, FORTRAN, Quick Basic

Wright, James L., Soil Sci., USDA-ARS Northwest Irrigation & Soils Research Lab, Add'tl Info Phone: 208-423-6501 Fax: 208-423-6555 Email: wright@kimberly.ars.pn.usbr.gov Mailing Address: 3793 North 3600 East, Kimberly, ID 83341. Research Interests: evapotranspiration, soil moisture, irrigation, soil-water-plant processes, meteorology

USDA-ARS Northwest Watershed Research Center, Boise, ID

Slaughter, Chuck W., RL/Supv. Hydrol., USDA-ARS Northwest Watershed Research Center, Phone: 208-422-0722 Fax: 208-334-1502 Email: cslaugh@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716. Research Interests: hydrology, soil erosion, range, water management, systems

Clark, Patrick E., Range Scientist, USDA-ARS Northwest Watershed Research Center, Phone: 208-334-1363 Fax: 208-334-1502 Email: pclark@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite, Boise, ID 83712-7716.

Flerchinger, Gerald N., Research Hydraulic Engineer, USDA-ARS Northwest Watershed Research Center, Phone: 208-422-0716 Fax: 208-334-1502 Email: gflerchi@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716. Research Interests: hydrology, frozen soil, evapotranspiration, soil-water-plant processes, ground water, modeling

Hanson, Clayton L., Agr. Engr., USDA-ARS Northwest Watershed Research Center, Phone: 208-422-0711 Fax: 208-334-1502 Email: chanson@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716. Research Interests: hydrology, precipitation, evapotranspiration, range, meteorology

Hardegree, Stuart P., Plant Physiol., USDA-ARS Northwest Watershed Research Center, Phone: 208-422-0728 Fax: 208-334-1502 Email: shardegr@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716. Research Interests: soil moisture, evapotranspiration, modeling, range, climate change

Marks, Dan G., Hydrologist, USDA-ARS Northwest Watershed Research Center, Phone: 208-421-0721 Fax: 208-334-1502 Email: dmarks@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716.

Marks, Daniel G., Hydrologist, USDA-ARS Northwest Watershed Research Center, Phone: 208-422-0721 Fax: 208-334-1502 Email: dmarks@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716.

Mowbray, James E., Range Scientist, USDA-ARS Northwest Watershed Research Center, Phone: 208-334-1363 Fax: 208-334-1502 Email: jmowbray@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite, Boise, ID 83712-7716. Research Interests: range, evapotranspiration, soil-water-plant processes, hydrology, climate change

Pierson, Jr., Frederick B., Hydrologist, USDA-ARS Northwest Watershed Research Center, Phone: 208-422-0720 Fax: 208-334-1502 Email: fpierson@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716. Research Interests: range, infiltration, runoff, soil erosion, modeling

Seyfried, Mark S., Soil Sci., USDA-ARS Northwest Watershed Research Center, Phone: 208-422-0715 Fax: 208-334-1502 Email: mseyfrie@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716. Research Interests: hydrology, soil moisture, evapotranspiration, remote sensing, modeling

Van Vactor, Steven S., Hydrologist, USDA-ARS Northwest Watershed Research Center, Phone: 208-422-0731 Fax: 208-334-1502 Email: svanvact@nwrc.ars.pn.usbr.gov Mailing Address: Northwest Watershed Research Center, 800 Park Boulevard, Plaza IV, Suite 105, Boise, ID 83712-7716. Research Interests: hydrology, infiltration, modeling, runoff, soil erosion

Illinois

USDA-ARS Crops Protection Research, Urbana, IL

Wax, Lloyd M., RL/Supv. Res. Agron., USDA-ARS Crops Protection Research, Add'tl Info Phone: 217-333-9653 Fax: 217-333-5251 Email: l-wax@uiuc.edu Mailing Address: University of Illinois, Turner Hall, 1102 S. Goodwin Avenue, Urbana, IL 61801.

Domier, Leslie L., Plant Pathologist, USDA-ARS Crops Protection Research, Add'tl Info Phone: 217-333-0510 Fax: 217-333-5251 Email: l-domier@uiuc.edu Mailing Address: University of Illinois, Turner Hall, 1102 S. Goodwin Avenue, Urbana, IL 61801.

Hummel, John W., Agr. Engr., USDA-ARS Crops Protection Research, Add'tl Info Phone: 217-333-0808 Fax: 217-333-0323 Email: jhummel@uiuc.edu Mailing Address: University of Illinois, Turner Hall, 1102 S. Goodwin Avenue, Urbana, IL 61801.

Stoller, Edward W., Plant Physiologist, USDA-ARS Crops Protection Research, Add'tl Info Phone: 217-333-9654 Fax: 217-333-5251 Email: estoller@uiuc.edu Mailing Address: University of Illinois, Turner Hall, 1102 S. Goodwin Avenue, Urbana, IL 61801.

Sims, Gerald K., Microbiologist, USDA-ARS Crops Protection Research, Add'tl Info Phone: 217-333-6099 Fax: 217-333-5251 Email: gk-sims@uiuc.edu Mailing Address: University of Illinois, Turner Hall, 1102 S. Goodwin Avenue, Urbana, IL 61801.

Indiana

USDA-ARS National Soil Erosion Research Lab., West Lafayette, IN

Norton, L. Darrell, RL/Soil Sci., USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 765-494-8682 Fax: 765-494-5948 Email: nortond@ecn.purdue.edu Mailing Address: Purdue University, 1196 SOIL Bg., West Lafayette, IN 47907-1196. Research Interests: infiltration, water erosion, soil management, water quality, soil processes

Flanagan, Dennis C., Agr. Engr., USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 765-494-7748 Fax: 765-494-5948 Email: flanagan@ecn.purdue.edu Mailing Address: Purdue University, 1196 SOIL Bg., West Lafayette, IN 47907-1196. Research Interests: runoff, water erosion, sedimentation, surface water quality, modeling

Hickman, Michael V., Res. Agronomist, USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 765-494-4448 Fax: 765-494-5948 Email: hickman@btny.purdue.edu Mailing Address: Purdue University, 1196 SOIL Bg., West Lafayette, IN 47907-1196. Research Interests: soil management, tillage, surface water quality, ground water quality, crops

Huang, Chi-hua H., Soil Sci., USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 765-494-6143 Fax: 765-494-5948 Email: chihua@ecn.purdue.edu Mailing Address: Purdue University, 1196 SOIL Bg., West Lafayette, IN 47907-1196. Research Interests: soil erosion, soil management, infiltration, soil processes, tillage

Laflen, John M., Agr. Engr., USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 515-294-8327 Fax: 515-294-8125 Email: laflen@ecn.purdue.edu Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: soil erosion, water quality, tillage, modeling, systems

Livingston, Stan J., Soil Sci., USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 765-494-2946 Fax: 765-494-5948 Email: living@ecn.purdue.edu Mailing Address: Purdue University, 1196 SOIL Bg., West Lafayette, IN 47907-1196. Research Interests: water erosion, soil management, modeling, ground water quality, soil processes

Meyer, Charles R., Computer Spec., USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 765-494-8695 Fax: 765-494-5948 Email: meyerc@ecn.purdue.edu Mailing Address: Purdue University, 1196 SOIL Bg., West Lafayette, IN 47907-1196. Research Interests: soil erosion. water erosion, water quality, systems, modeling

Nearing, Mark A., Agr. Engr., USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 765-494-8683 Fax: 765-494-5948 Email: nearing@ecn.purdue.edu Mailing Address: Purdue University, 1196 SOIL Bg., West Lafayette, IN 47907-1196. Research Interests: hydrology, runoff, infiltration, soil erosion, water erosion

Stott, Diane E., Soil Microbiol., USDA-ARS National Soil Erosion Research Lab., Add'tl Info Phone: 765-494-6657 Fax: 765-494-5948 Email: stottd@soils.ecn.purdue.edu Mailing Address: Purdue University, 1196 SOIL Bg., West Lafayette, IN 47907-1196. Research Interests: soil erosion, soil processes, microbiology, organic matter, residue decay

Iowa

USDA-ARS National Soil Tilth Laboratory, Ames, IA

Hatfield, Jerry L., Director/Supv. Plant Physiol., USDA-ARS National Soil Tilth Laboratory, Phone: 515-294-5723 Fax: 515-294-8125 Email: hatfield@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: evapotranspiration, remote sensing, water quality, soil-water-plant processes, meteorology

USDA-ARS Agricultural Land Mgmt Research, Ames, IA

Burkart, Mike R., RL/Supv. Hydrologist, USDA-ARS Agricultural Land Mgmt Research, Phone: 515-294-5809 Fax: 515-294-8125 Email: burkart@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: hydrology, groundwater, water quality, surface water quality, ground water quality

Kramer, Larry A., Agr. Engr., USDA-ARS Agricultural Land Mgmt Research, Phone: 712-487-3403 Fax: 712-487-3403 Email: kramer@nstl.gov Mailing Address: R. R. 2, Box 132A, Council Bluffs, IA 51503.

Buhler, Douglas D., Res. Agron., USDA-ARS Agricultural Land Mgmt Research, Phone: 515-294-5502 Fax: 515-294-8125 Email: buhler@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: soil management, tillage, crops

Cambardella, Cynthia A., Soil Sci., USDA-ARS Agricultural Land Mgmt Research, Phone: 515-294-2921 Fax: 515-294-8125 Email: cindyc@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: soil processes, soil biology

Colvin, Thomas S., Agr. Engr., USDA-ARS Agricultural Land Mgmt Research, Phone: 515-294-5724 Fax: 515-294-8125 Email: colvin@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: soil erosion, soil management, tillage, soil processes, crops

Karlen, Douglas L., Soil Sci., USDA-ARS Agricultural Land Mgmt Research, Phone: 515-294-3336 Fax: 515-294-8125 Email: dkarlen@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: soil management, tillage, fertility, soil processes, soil-water-plant processes

Moorman, Thomas B., Microbiologist, USDA-ARS Agricultural Land Mgmt Research, Phone: 515-294-2308 Fax: 515-294-8125 Email: moorman@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: tillage, soil processes, soil biology, ground water quality, crops

USDA-ARS Soil & Water Quality Research, Ames, IA

Jaynes, Dan B., RL/Supv. Soil Sci., USDA-ARS Soil & Water Quality Research, Phone: 515-294-8243 Fax: 515-294-8125 Email: jaynes@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: hydrology, infiltration, soil moisture, water quality, modeling

Kaspar, Thomas C., Plant Physiol., USDA-ARS Soil & Water Quality Research, Phone: 515-294-8873 Fax: 515-294-8125 Email: kaspar@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: soil management, tillage, soil processes, soil-water-plant processes, crops

Kovar, John I., Soil Scientist, USDA-ARS Soil & Water Quality Research, Phone: 515-294-3419 Fax: 515-294-8125 Email: kovar@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011.

Laird, David A., Soil Sci., USDA-ARS Soil & Water Quality Research, Phone: 515-294-1581 Fax: 515-294-8125 Email: laird@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: water quality, soil processes, soil management

Logsdon, Sally D., Soil Sci., USDA-ARS Soil & Water Quality Research, Phone: 515-294-8265 Fax: 515-294-8125 Email: logsdon@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: soil management, infiltration, soil moisture, soil-water-plant processes, soil processes

Parkin, Tim B., Microbiologist, USDA-ARS Soil & Water Quality Research, Add'tl Info Phone: 515-294-6888 Fax: 515-294-8125 Email: parkin@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: bicrobiology, soil biology, soil processes, fertility

Prueger, John H., Soil Sci., USDA-ARS Soil & Water Quality Research, Phone: 515-294-7694 Fax: 515-294-8125 Email: prueger@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: emapotranspiration, remote sensing, soil-water-plant processes, meteorology

Sauer, Tom J., Soil Scientist, USDA-ARS Soil & Water Quality Research, Phone: 515-294-3416 Fax: 515-294-8125 Email: sauer@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: hydrology, runoff, infiltration, water quality, soil-water-plant processes

Steinheimer, Thomas R., Res. Chemist, USDA-ARS Soil & Water Quality Research, Phone: 515-294-2952 Fax: 515-294-8125 Email: steinhei@nstl.gov Mailing Address: National Soil Tilth Lab., 2150 Pammel Drive, Ames, IA 50011. Research Interests: soil processes, surface water quality, ground water quality

Kansas

USDA-ARS Plant Science & Entomology Res., Manhattan, KS

Eversmeyer, Merle G., RL, USDA-ARS Plant Science & Entomology Res., Add'tl Info Phone: 913-532-6168 Fax: 913-532-6167 Email: mge@alfalfa.ksu.edu Mailing Address: Throckmorton Hall, Kansas State University, Manhattan, KS 66506.

Hays, Dirk B., Plant Physiologist, USDA-ARS Plant Science & Entomology Res., Add'tl Info Phone: 405-624-4141 X231 Fax: 405-624-4142 Email: dhays@pswcrl.ars.usda.gov Mailing Address: Throckmorton Hall, Kansas State University, Manhattan, KS 66506.

Skinner, Dan Z., Research Geneticist, USDA-ARS Plant Science & Entomology Res., Add'tl Info Phone: 785-532-7247 Fax: 785-532-6167 Email: dzolek@ksu.edu Mailing Address: Throckmorton Hall, Kansas State University, Manhattan, KS 66506.

USDA-ARS Wind Erosion Research, Manhattan, KS

Skidmore, Ed L., RL/Supv.Soil Sci., USDA-ARS Wind Erosion Research, Add'tl Info Phone: 785-532-6726 Fax: 785-532-6528 Email: skidmore@weru.ksu.edu Mailing Address: Kansas State University, Throckmorton Hall, Manhattan, KS 66506-4006. Research Interests: soil erosion, hydrology, soil management, modeling, climate change

Armbrust, D. V., Soil Sci., USDA-ARS Wind Erosion Research, Add'tl Info Phone: 785-532-6822 Fax: 785-532-6528 Email: armbrust@weru.ksu.edu Mailing Address: Kansas State University, Throckmorton Hall, Manhattan, KS 66506-4006. Research Interests: soil erosion, wind erosion

Hagen, L. J., Agr. Engr., USDA-ARS Wind Erosion Research, Add'tl Info Phone: 785-532-6785 Fax: 785-532-6528 Email: hagen@weru.ksu.edu Mailing Address: Kansas State University, Throckmorton Hall, Manhattan, KS 66506-4006. Research Interests: wind erosion, modeling, soil management, soil processes, meteorology

Wagner, L. E., Agr. Engr., USDA-ARS Wind Erosion Research, Add'tl Info Phone: 785-532-6807 Fax: 785-532-6528 Email: wagner@weru.ksu.edu Mailing Address: Kansas State University, Throckmorton Hall, Manhattan, KS 66506-4006. Research Interests: soil erosion, wind erosion, tillage, soil processes, modeling

Louisiana

USDA-ARS Soil and Water Research, Baton Rouge, LA

Fouss, James L., RL/Agr. Engr., USDA-ARS Soil and Water Research, Phone: 504-382-2089 Fax: 504-389-0327 Email: jfouss@ars.usda.gov Mailing Address: P. O. Box 25071, University Station, Baton Rouge, LA 70808-4499. Research Interests: water management, drainage, water quality, modeling, systems

Carter, Cade E., Agr. Engr., USDA-ARS Soil and Water Research, Phone: 504-387-2783 Fax: 504-389-0327 Email: ccarter@gumbo.bae.lsu.edu Mailing Address: P. O. Box 25071, University Station, Baton Rouge, LA 70894-5071. Research Interests: drainage, water management, water quality, fertility

Grigg, Brandon C., Soil Scientist, USDA-ARS Soil and Water Research, Phone: 504-382-2089 Fax: 504-389-0327 Email: bgrigg@ars.usda.gov Mailing Address: P. O. Box 25071, University Station, Baton Rouge, LA 70808-4499.

Kornecki, Ted S., Agrl Engr, USDA-ARS Soil and Water Research, Phone: 504-382-2089 Fax: 504-389-0327 Email: tkornecki@ars.usda.gov Mailing Address: P. O. Box 25071, University Station, Baton Rouge, LA 70808-4499.

Rogers, James S., Agr. Engr. /Collaborator, USDA-ARS Soil and Water Research, Phone: 504-388-6010 Fax: 504-389-0327 Email: srogers@gumbo.bae.lsu.edu Mailing Address: 4117 Gourrier Avenue, University Station, Baton Rouge, LA 70894-5071. Research Interests: water management, water quality, modeling, drainage

Southwick, Jr., Lloyd M., Res. Chemist, USDA-ARS Soil and Water Research, Phone: 504-387-2783 Fax: 504-389-0327 Email: lsouthwick@ars.usda.gov Mailing Address: P. O. Box 25071, University Station, Baton Rouge, LA 70894-5071. Research Interests: water quality, surface water quality, ground water quality

Maryland

USDA-ARS Climate Stress Lab., Beltsville, MD

Britz, Steven J., RL/Supv. Plant Physiol., USDA-ARS Climate Stress Lab., Phone: 301-504-5607 Fax: 301-504-6626 Email: sbritz@asrr.arsusda.gov Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705. Research Interests: crops, climate change

Bunce, James A., Plant Physiologist, USDA-ARS Climate Stress Lab., Phone: 301-504-7629 Fax: 301-504-6626 Email: jabunce@aol.com Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705. Research Interests: evapotranspiration, soil-water-plant processes, pasture, crops, modeling, climate change

Caldwell, Charles R., Plant Physiol., USDA-ARS Climate Stress Lab., Phone: 301-504-5146 Fax: 301-504-7525 Email: a03rlcsl@attmail.com Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705. Research Interests: biochemistry, physiology, molecular biology, crops, climate change

Ehler, Linda L., Plant physiologist, USDA-ARS Climate Stress Lab., Phone: 301-504-5146 Fax: 301-504-5048 Mailing Address: Rm. 203A, Bg. 006, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Foy, Charles D., Collaborator, USDA-ARS Climate Stress Lab., Phone: 301-504-5522 Fax: 301-504-7521 Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705. Research Interests: soil moisture, soil management, fertility, soil-water-plan processes, pasture, crops

Herman, Eliot M., Plant Physiologist, USDA-ARS Climate Stress Lab., Phone: 301-504-5607 Fax: 301-504-6626 Email: eherman@nsf.gov Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705.

Krizek, Donald T., Plant Physiol., USDA-ARS Climate Stress Lab., Phone: 301-504-5324 Fax: 301-504-6626 Email: dkrizek@asrr.arsusda.gov Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705. Research Interests: climate change, controlled environment, photobiology, stress physiology, ultraviolet radiation

Liu Gitz, Lan, Plant physiologist, USDA-ARS Climate Stress Lab., Phone: 301-504-6638 Fax: 301-504-6626 Email: liul@ba.ars.usda.gov Mailing Address: Bg. 049, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Mischke, Barbara S., Geneticist, USDA-ARS Climate Stress Lab., Phone: 301-504-5603 Fax: 301-504-6626 Email: mischkes@ba.ars.usda.gov Mailing Address: Bg. 050, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705.

Robinson, J. Michael, Plant Physiol., USDA-ARS Climate Stress Lab., Phone: 301-504-6633 Fax: 301-504-6626 Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705. Research Interests: ground water quality, crops, climate change

Saunders, James A., Research Biochemist, USDA-ARS Climate Stress Lab., Phone: 301-504-7477 Fax: 301-504-6626 Email: jsaunder@asrr.arsusda.gov Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705.

Sicher, Jr., Richard C., Plant Physiol., USDA-ARS Climate Stress Lab., Phone: 301-504-6632 Fax: 301-504-6626 Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705. Research Interests: fertility, pasture, crops, climate change

Slovin, Janet P., Molecular Biologist, USDA-ARS Climate Stress Lab., Phone: 301-504-5629 Fax: 301-504-6626 Email: jslovin@asrr.arsusda.gov Mailing Address: Bg. 046A, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705. Research Interests: crops, climate change, thermotolerance, heat shock proteins, plant stress

Ziska, Lewis H., Plant Physiologist, USDA-ARS Climate Stress Lab., Phone: 301-504-6639 Fax: 301-504-6626 Email: ziskal@ba.ar.usa.gov Mailing Address: Bg. 099AA, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705.

USDA-ARS Environmental Chemistry Lab., Beltsville, MD

Hapeman, Cathleen J., Res. Chemist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6511 Fax: 301-504-5048 Email: chapeman@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: water quality, surface water quality

Chaney, Rufus L., Res. Agronomist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-8324 Fax: 301-504-5048 Email: rchaney@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: soil-water-plant processes, soil management

Datta, Seema, Chemist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-8902 Fax: 301-504-5048 Email: sdatta@assr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705.

Kukier, Ursula, Environmental Engineer, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6511 Fax: 301-504-5048 Email: ukukier@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705.

Li, Yin-ming, Research Geneticist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6550 Fax: 301-504-5048 Email: yli@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: soil-water-plant processes, soil management, crops

Malik, Minnie, Res. Soil Biotechnologist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6511 Fax: 301-504-5048 Email: mmalik@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705.

McCarty, Greg W., Soil Scientist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-7401 Fax: 301-504-5048 Email: gmccarty@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: water quality, ground water quality, groundwater, soil biology, microbiology

McConnell, Laura L., Res. Chemist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6298 Fax: 301-504-5048 Email: mcconnel@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: water quality, precipitation, runoff, evapotranspiration, modeling

Meisinger, John J., Soil Sci., USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-5276 Fax: 301-504-5048 Email: jmeising@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: soil management, groundwater, tillage, fertility

Rice, Clifford P., Res. Chemist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6398 Fax: 301-504-5048 Email: crice@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: hydrology, water quality, soil management, modeling, meteorology

Rice, Pamela J., Res. Chemist/Toxicologist, USDA-ARS Environmental Chemistry Lab., Phone: 301-504-5503 Fax: 301-504-5048 Email: price@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705.

Sadeghi, Ali M., Soil Sci., USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6693 Fax: 301-504-5048 Email: asadeghi@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: runoff, infiltration, water quality, surface water quality, ground water quality

Schmidt, Walter F., Research Chemist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-5030 Fax: 301-504-5048 Email: wschmidt@clunker.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: water quality, modeling

Shelton, Dan R., Microbiologist, USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6582 Fax: 301-504-5048 Email: dshelton@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: soil management, soil processes, soil biology, microbiology, water quality

Starr, Jim L., Soil Sci., USDA-ARS Environmental Chemistry Lab., Add'tl Info Phone: 301-504-6888 Fax: 301-504-5048 Email: jstarr@asrr.arsusda.gov Mailing Address: Rm. 224, Bg. 007, BARC-West, Beltsville, MD 20705. Research Interests: soil moisture, ground water quality

USDA-ARS Hydrology Lab., Beltsville, MD

Rawls, Walter J., RL/Supv. Hydrologist, USDA-ARS Hydrology Lab., Add'tl Info Phone: 301-504-8745 Fax: 301-504-8931 Email: wrawls@www.ars.usda.gov/ba/anri/hrsl Mailing Address: Rm. 104, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: infiltration, soil water properties, modeling, hydrology, soil processes,

Gish, Tim J., Soil Phys., USDA-ARS Hydrology Lab., Add'tl Info Phone: 301-504-8378 Fax: 301-504-8931 Email: tgish@www.ars.usda.gov/ba/anri/hrsl Mailing Address: Rm. 104, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: water quality, tillage, soil-plant-water processes, volatilization

Jackson, Tom J., Hydrologist, USDA-ARS Hydrology Lab., Add'tl Info Phone: 301-504-8511 Fax: 301-504-8931 Email: tjackson@www.ars.usda.gov/ba/anri/hrsl Mailing Address: Rm. 104, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: remote sensing, soil moisture, hydrology

Kustas, William P., Hydrologist, USDA-ARS Hydrology Lab., Add'tl Info Phone: 301-504-8498 Fax: 301-504-8931 Email: bkustas@www.ars.usda.gov/ba/anri/hrsl Mailing Address: Rm. 104, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: soil-water-plant processes, modeling, meteorology, hydrology, evapotranspiration

Rango, Al, Hydrologist, USDA-ARS Hydrology Lab., Add'tl Info Phone: 301-504-8700 Fax: 301-504-8931 Email: alrango@www.ars.usda.gov/ba/anri/hrsl Mailing Address: Rm. 104, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: remote sensing, snow, runoff, modeling, watershed, range, climate change

Ritchie, Jerry C., Soil Sci., USDA-ARS Hydrology Lab., Add'tl Info Phone: 301-504-8717 Fax: 301-504-8931 Email: jritchie@www.ars.usda.gov/ba/anri/hrsl Mailing Address: Rm. 104, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: water quality, soil erosion, sedimentation, remote sensing

Roberts, Ralph T., Computer Prog. Anal., USDA-ARS Hydrology Lab., Add'tl Info Phone: 301-504-8412 Fax: 301-504-8931 Email: rroberts@www.ars.usda.gov/ba/anri/hrsl Mailing Address: Rm. 104, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: computer programming, microcomputer, systems analysis, graphics, GIS

Schmugge, Tom J., Res. Phys. Sci., USDA-ARS Hydrology Lab., Add'tl Info Phone: 301-504-8554 Fax: 301-504-8931 Email: schmugge@www.ars.usda.gov/ba/anri/hrsl Mailing Address: Rm. 104, Bldg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: remote sensing, soil moisture, evapotranspiration, soil-water-plant processes

Thurman, Jane L., Computer Sys. Anal., USDA-ARS Hydrology Lab., Phone: 301-504-9411 Fax: 301-504-8931 Email: ralph.roberts@ars.usda.gov Mailing Address: Rm. 104, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: water data, database management, precipitation, runoff, climate

USDA-ARS Nematology Lab., Beltsville, MD

Chitwood, David J., RL/Supv. Zoologist, USDA-ARS Nematology Lab., Phone: 301-504-8634 Fax: 301-504-5589 Email: dchitwoo@asrr.arsusda.gov Mailing Address: Room 153, Bg. 011A, BARC-West, Beltsville, MD 20705. Research Interests: soil biology

Carta, Lynn K., Res. Plant Pathol., USDA-ARS Nematology Lab., Add'tl Info Phone: 301-504-5091 Fax: 301-504-5589 Email: cartal@ba.ars.usda.gov Mailing Address: Room 153, Bg. 011A, BARC-West, Beltsville, MD 20705.

Handoo, Zafar A., Microbiologist, USDA-ARS Nematology Lab., Add'tl Info Phone: 301-504-5091 Fax: 301-504-5589 Email: handooz@ba.ars.usda.gov Mailing Address: Room 153, Bg. 011A, BARC-West, Beltsville, MD 20705.

Masler, Edward P., Res. Physiologist, USDA-ARS Nematology Lab., Add'tl Info Phone: 301-504-5091 Fax: 301-504-5589 Email: maslere@ba.ars.usda.gov Mailing Address: Room 153, Bg. 011A, BARC-West, Beltsville, MD 20705.

Meyer, Susan L., Res. Plant Pathol., USDA-ARS Nematology Lab., Phone: 301-504-5091 Fax: 301-504-5589 Email: smeyer@asrr.arsusda.gov Mailing Address: Room 153, Bg. 011A, BARC-West, Beltsville, MD 20705. Research Interests: soil biology, microbiology

Skantar, Andrea M., Res. Molecular Biologist, USDA-ARS Nematology Lab., Add'tl Info Phone: 301-504-5091 Fax: 301-504-5589 Email: skantara@ba.ars.usda.gov Mailing Address: Room 153, Bg. 011A, BARC-West, Beltsville, MD 20705.

Wergin, Bill P., Research Cytologist, USDA-ARS Nematology Lab., Phone: 301-504-9027 Fax: 301-504-8923 Email: wwergin@ggpl.arsusda.gov Mailing Address: Bldg 177 B, BARC-EAST, Beltsville, MD 20705. Research Interests: hydrology, soil moisture

USDA-ARS Natural Resources & Sustain. Ag. Systems, Beltsville, MD

Dedrick, A. R., Assoc. Deputy Administrator, USDA-ARS Natural Resources & Sustain. Ag. Systems, Phone: 301-504-7987 Fax: 301-504-6231 Email: ard@ars.usda.gov Mailing Address: Rm. 4-2288, 5601 Sunnyside Avenue, Beltsville, MD 20705-5140. Research Interests: water, soil, hydrology, forage, pasture, remote sensing, global change, irrigation

Amerman, C. Richard, NPL, Soil Erosion, USDA-ARS Natural Resources & Sustain. Ag. Systems, Phone: 301-504-4634 Fax: 301-504-6231 Email: cra@ars.usda.gov Mailing Address: Rm. 4-2276, 5601 Sunnyside Avenue, Beltsville, MD 20705-5140. Research Interests: air quality, soil quality & management (soil erosion), integrated farm systems

Bucks, Dale A., NPL, Water Quality & Mgmt, USDA-ARS Natural Resources & Sustain. Ag. Systems, Phone: 301-504-7034 Fax: 301-504-6231 Email: dab@ars.usda.gov Mailing Address: Rm. 4-2290, 5601 Sunnyside Avenue, Beltsville, MD 20705-5140. Research Interests: water quality & water management

Byington, Everett K., NPL, Rangeland, Pasture & Forages, USDA-ARS Natural Resources & Sustain. Ag. Systems, Phone: 301-504-4625 Fax: 301-504-6231 Email: ekb@ars.usda.gov Mailing Address: Rm. 4-2262, 5601 Sunnyside Avenue, Beltsville, MD 20705-5140.

Farrell, David A., NPL, Hydrology & Remote Sensing, USDA-ARS Natural Resources & Sustain. Ag. Systems, Phone: 301-504-6246 Fax: 301-504-6231 Email: daf@ars.usda.gov Mailing Address: Rm. 4-2282, 5601 Sunnyside Avenue, Beltsville, MD 20705-5140. Research Interests: hydrology, remote sensing

Jawson, Michael D., NPL, Soil Biology, USDA-ARS Natural Resources & Sustain. Ag. Systems, Phone: 301-504-5281 Fax: 301-504-6231 Email: mdj@ars.usda.gov Mailing Address: Rm. 4-2264, 5601 Sunnyside Avenue, Beltsville, MD 20705-5140. Research Interests: soil science, microbiology

Shafer, Steven R., NPL, Global Change, USDA-ARS Natural Resources & Sustain. Ag. Systems, Phone: 301-504- 4644 Fax: 301-504-6231 Email: srs@ars.usda.gov Mailing Address: Rm. 4-2280, 5601 Sunnyside Avenue, Beltsville, MD 20705.

Wright, Robert J., NPL, Soil Management, USDA-ARS Natural Resources & Sustain. Ag. Systems, Phone: 301-504-4638 Fax: 301-504-6231 Email: rjw@ars.usda.gov Mailing Address: Rm. 4-2262, 5601 Sunnyside Avenue, Beltsville, MD 20705-5140. Research Interests: soil management, fertility, soil processes, soil-water-plant processes, water quality

USDA-ARS Remote Sensing & Modeling Lab, Beltsville, MD

Reddy, Vangimalla R., RL/Plant Physiol., USDA-ARS Remote Sensing & Modeling Lab, Phone: 301-504-5872 Fax: 301-504-5823 Email: vreddy@asrr.arsusda.gov Mailing Address: Rm. 008, Bg. 007, BARC-West, Beltsville, MD 20705-2350.

Baker, Jeffrey M., Soil Sci., USDA-ARS Remote Sensing & Modeling Lab, Phone: 301-504-5058 Fax: 301-504-5823 Email: jbaker@asrr.arsusda.gov Mailing Address: Rm. 008, Bg. 007, BARC-West, Beltsville, MD 20705-2350. Research Interests: evapotranspiration, soil moisture, water quality, soil-water-plant processes, climate change

Daughtry, Craig S., Res. Agron., USDA-ARS Remote Sensing & Modeling Lab, Phone: 301-504-5015 Fax: 301-504-5031 Email: cdaughtr@asrr.arsusda.gov Mailing Address: Rm. 116, Bg. 007, BARC-West, Beltsville, MD 20705.

Doraiswamy, Paul C., Meteorologist, USDA-ARS Remote Sensing & Modeling Lab, Phone: 301-504-6576 Fax: 301-504-5031 Email: pdoraisw@asrr.arsusda.gov Mailing Address: Rm. 116, Bg. 007, BARC-West, Beltsville, MD 20705.

Lu, Yao-chi, Agricultural Economist, USDA-ARS Remote Sensing & Modeling Lab, Phone: 301-504-5821 Fax: 301-504-5823 Email: ylu@asrr.arsusda.gov Mailing Address: Rm. 008, Bg. 007, BARC-West, Beltsville, MD 20705-2350.

McMurtrey, James E., Res. Agron., USDA-ARS Remote Sensing & Modeling Lab, Phone: 301-504-5870 Fax: 301-504-5031 Email: mcmurtre@asrr.arsusda.gov Mailing Address: Rm. 116, Bg. 007, BARC-West, Beltsville, MD 20705.

Timlin, Dennis J., Soil Scientist, USDA-ARS Remote Sensing & Modeling Lab, Phone: 301-504-6255 Fax: 301-504-5823 Email: dtimlin@asrr.arsusda.gov Mailing Address: Rm. 008, Bg. 007, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350. Research Interests: soil-plant interactions, water uptake, 2D soil processes, modeling, soil hydraulic properties

Walthall, Charles L., Physical Scientist, USDA-ARS Remote Sensing & Modeling Lab, Phone: 301-504-6074 Fax: 301-504-5823 Email: walthall@asrr.arsusda.gov Mailing Address: Rm. 008, Bg. 007, BARC-West, Beltsville, MD 20705-2350.

Keister, Donald L., RL/Plant Physiologist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-5723 Fax: 301-504-5728 Email: dkeister@asrr.arsusda.gov Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Bauchan, Gary R., Research Geneticist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-6649 Fax: 301-504-5728 Email: gbauchan@asrr.arsusda.gov Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Campbell, T. Austin, Res Agronomist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-5638 Fax: 301-504-5167 Email: acampbel@asrr.arsusda.gov Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Cregan, Perry, Research Geneticist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-5070 Fax: 301-504-5728 Email: pcregan@asrr.arsusda.gov Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Matthews, Benjamin F., Plant Biochemist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-5730 Fax: 301-504-5320 Email: pmbl@asrr.arsusda Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

O'Neill, Nichole R., Research Plant Pathologist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-5723 Fax: 301-504-5728 Email: noneill@asrr.arsusda.gov Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Tucker, Mark L., Molecular Biologist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-6091 Fax: 301-504-5728 Email: mtucker@asrr.arsusda.gov Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Van Berkum, Peter, Microbiologist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-7280 Fax: 301-504-5728 Email: pberkum@asrr.arsusda.gov Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

Yaklich, Robert, Plant Physiologist, USDA-ARS Soybean & Alfalfa Research Lab, Add'tl Info Phone: 301-504-5337 Fax: 301-504-5728 Mailing Address: Bldg. 006, Room 118, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350.

USDA-ARS Soybean Alfalfa Research Lab, Beltsville, MD

USDA-ARS Soil-Microbial Systems Lab., Beltsville, MD

Millner, Patricia D., RL/Microbiologist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-8163 Fax: 301-504-8370 Email: MillnerP@ba.ars.usda.gov Mailing Address: Rm. 140, Bg. 001, BARC-West, Beltsville, MD 20705-2350. Research Interests: soil quality & health, mycorrhizal fungus, compost quality & utilization

Bagliardi, Joel, Res. Microbiologist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-9214 Fax: 301-504-8370 Email: GagliarJ@ba.ars.usda.gov Mailing Address: Rm. 119, Bg. 001, BARC-West, Beltsville, MD 20705-2350.

Buyer, Jeffrey S., Research Chemist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-8436 Fax: 301-504-8370 Email: BuyerJ@ba.ars.usda.gov Mailing Address: Rm. 124, Bg. 001, BARC-West, Beltsville, MD 20705-2350. Research Interests: soil microbiology, siderophore dynamics, soil microbes & metabolites

Cavigelli, Michel A., Soil Scientist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-8327 Fax: 301-504-8370 Email: CavigelM@ba.ars.usda.gov Mailing Address: Rm. 108, Bg. 318, BARC-East, Beltsville, MD 20705-2350. Research Interests: sustainable cropping systems, nutrient cycling, available soil carbon

Enkiri, Nancy K., Microbiologist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-8101 Fax: 301-504-8370 Email: nenkiri@ba.ars.usda.gov Mailing Address: Rm. 108, Bg. 318, BARC-East, Beltsville, MD 20705-2350. Research Interests: microbiology, coliform testing, cell culture, monoclonal antibody production

Karns, Jeffrey S., Research Microbiologist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-6493 Fax: 301-504-8370 Email: KarnsJ@ba.ars.usda.gov Mailing Address: Rm. 228, Bg. 001, BARC-West, Beltsville, MD 20705-2350. Research Interests: biodegradation, bioremediation, molecular evaluation of ag. chemicals, pathogen survival

Mulbry, III, Walter W., Research Microbiologist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-6493 Fax: 301-504-8370 Email: MulbryW@ba.ars.usda.gov Mailing Address: Rm. 227, Bg. 001, BARC-West, Beltsville, MD 20705-2350. Research Interests: water quality, microbiology, bioremediation, soil microbes, biodegradation

Reynolds, Sara L., Microbiologist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-6317 Fax: 301-504-8370 Email: ReynoldS@ba.ars.usda.gov Mailing Address: Rm. 121, Bg. 001, BARC-West, Beltsville, MD 20705-2350. Research Interests: plant pathology & soil microbiology, PCR, monoclonal antibody production, arbuscular mycorrhizae

Sikora, Larry J., Research Microbiologist, USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-9384 Fax: 301-504-8370 Email: SikoraL@ba.ars.usda.gov Mailing Address: Rm. 119, Bg. 001, BARC-West, Beltsville, MD 20705-2350. Research Interests: soil microbiology, fertility, soil management, compost utilization, soil organic matter

Wright, Sara E., Research Soil Sci., USDA-ARS Soil-Microbial Systems Lab., Phone: 301-504-8156 Fax: 301-504-8370 Email: WrightS@ba.ars.usda.gov Mailing Address: Rm. 123, Bg. 001, BARC-West, Beltsville, MD 20705-2350. Research Interests: soil quality, aggregate stability, soil microbiology, arbuscular mycorrhizae

Minnesota

USDA-ARS North Central Soil Conservation Research, Morris, MN

Voorhees, Ward B., RL/Supv. Soil Sci., USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 ext.124 Fax: 320-589-3787 Email: voorhees@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267. Research Interests: tillage, soil management, systems, soil-water-plant processes

Archer, David W., Soil Scientist, USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 x142 Fax: 320-589-3787 Email: archer@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267.

Carpenter-Boggs, Lynne, Microbiologist, USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 ext.141 Fax: 320-589-3787 Email: lcboggs@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267. Research Interests: microbial communities, high-quality soils, sustainable agriculture management

Forcella, Frank, Res. Agron., USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 ext.127 Fax: 320-589-3787 Email: forcella@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267. Research Interests: soil-water-plant processes, modeling, crops, tillage, soil management

Gesch, Russell W., Plant Physiologist, USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 x142 Fax: 320-589-3787 Email: gesch@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267.

Lindstrom, Michael J., Soil Sci., USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 ext.145 Fax: 320-589-3787 Email: mlindstrom@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267. Research Interests: runoff, infiltration, soil erosion, soil management, tillage

Olness, Alan E., Soil Sci., USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 ext.131 Fax: 320-589-3787 Email: olness@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267. Research Interests: tillage, fertility, water quality, soil-water-plant processes, soil management

Reicosky, Donald C., Soil Sci., USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 ext.144 Fax: 320-589-3787 Email: drereicosky@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267. Research Interests: tillage, soil quality, climate change, water quality, evapotranspiration

Sharratt, Brenton S., Soil Sci., USDA-ARS North Central Soil Conservation Research, Add'tl Info Phone: 320-589-3411 ext.146 Fax: 320-589-3787 Email: sharratt@morris.ars.usda.gov Mailing Address: 803 Iowa Avenue, Morris, MN 56267. Research Interests: soil moisture, meteorology, hydrology, soil management, water quality

USDA-ARS Plant Science Research, St. Paul, MN

Vance, Carrroll P., Plant Physiologist, USDA-ARS Plant Science Research, Add'tl Info Phone: 612-624-0763 Fax: 612-649-5058 Email: vance004@maroon.tc.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108-6024. Research Interests: soil biology, microbiology, water quality, pasture, crops

Busch, Robert H., Research Geneticist, USDA-ARS Plant Science Research, Add'tl Info Phone: 612-625-1975 Fax: 612-649-5058 Email: busch005@tc.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108-6024. Research Interests: wheat genetics, germplasm

Gronwald, John W., Plant Physiologist, USDA-ARS Plant Science Research, Add'tl Info Phone: 612-625-8186 Fax: 612-649-5058 Email: gronw001@maroon.tc.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108-6024. Research Interests: biocontrol, weeds, legumes

Jung, Hans-Joachim G., Dairy Scientist, USDA-ARS Plant Science Research, Add'tl Info Phone: 612-625-8291 Fax: 612-649-5058 Email: jungx002@tc.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108-6024. Research Interests: plant cell wall chemistry

Lamb, JoAnn F. S., Plant Geneticist, USDA-ARS Plant Science Research, Add'tl Info Phone: 612-624-0763 Fax: 612-649-5058 Email: lambx002@tc.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108-6024. Research Interests: alfalfa germplasm, forage quality, nitrate uptake, and nitrogen fixation

Rines, Howard W., Research Geneticist, USDA-ARS Plant Science Research, Add'tl Info Phone: 612-625-5220 Fax: 612-649-5058 Email: rines001@tc.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108-6024. Research Interests: oat genetics and gene mapping

Russelle, Michael P., Soil Sci., USDA-ARS Plant Science Research, Add'tl Info Phone: 612-625-8145 Fax: 612-649-5058 Email: russelle@soils.umn.edu Mailing Address: University of Minnesota, 439 Borlaug Hall, St. Paul, MN 55108-6028. Research Interests: pasture, crops, fertility, water quality, soil processes

Samac, Deborah A., Plant Pathologist, USDA-ARS Plant Science Research, Add'tl Info Phone: 612-625-1243 Fax: 612-649-5058 Email: debbys@puccini.crl.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108-6024. Research Interests: alfalfa pathology, genetic transformation

Soil & Water Management Research, St. Paul, MN

Dowdy, Robert H., RL/Supv. Soil Sci., Soil & Water Management Research, Phone: 612-625-7058 Fax: 612-625-9270 Email: bdowdy@soils.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108. Research Interests: soil management, tillage, fertility, soil processes, water quality

Allmaras, R. R., Soil Sci., Soil & Water Management Research, Phone: 612-625-1742 Fax: 612-625-9270 Email: allmaras@soils.umn.edu Mailing Address: University of Minnesota, 439 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108. Research Interests: infiltration, water quality, soil-water-plant processes, soil management, tillage

Baker, John M., Soil Scientist, Soil & Water Management Research, Phone: 612-625-4249 Fax: 612-625-9270 Email: jbaker@soils.umn.edu Mailing Address: University of Minnesota, 411 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108.

Clapp, C. E., Res. Chemist, Soil & Water Management Research, Phone: 612-625-2767 Fax: 612-625-9270 Email: eclapp@soils.umn.edu Mailing Address: University of Minnesota, 439 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108. Research Interests: water quality, soil management, tillage, soil processes, soil biology

Koskinen, W. C., Soil Sci., Soil & Water Management Research, Phone: 612-625-4276 Fax: 612-625-9270 Email: koskinen@soils.umn.edu Mailing Address: University of Minnesota, 439 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108. Research Interests: water quality, ground water quality, soil management, tillage, soil processes

Linden, Dennis R., Soil Sci., Soil & Water Management Research, Phone: 612-625-6798 Fax: 612-649-5175 Email: dlinden@soils.umn.edu Mailing Address: University of Minnesota, 439 Borlaug Hall, 1991 Upper Buford Circle, St. Paul, MN 55108. Research Interests: infiltration, water quality, soil management, tillage, soil biology

Mississippi

USDA-ARS App. & Prod. Technology Research Unit, Stoneville, MS

Williford, J. Ray, RL/Supv. Agr. Engr., USDA-ARS App. & Prod. Technology Research Unit, Add'tl Info Phone: 662-686-5352 Fax: 662-686-5372 Email: rwillifo@ag.gov Mailing Address: 141 Experiment Station Road, P. O. Box 36, Stoneville, MS 38776. Research Interests: tillage, soil management, crops

Elmore, Carroll D., Plant Physiol., USDA-ARS App. & Prod. Technology Research Unit,