Crop Yield Assessment Project
Hydrology and Remote Sensing Lab

Bi-Weekly Composite Normalized Difference Vegetation Index
5/25/90 - 6/7/90
May		 6/22/90 - 7/5/90
June
7/20/90 - 8/2/90
July NDVI		 8/31/90 - 9/13/90
Sept NDVI
NDVI scale
NDVI scale

Data Source: USGS-Sioux Falls, SD

Contact: Dr. Paul Doriswammy pdoraisw@asrr.arsusda.gov

Next Using the NDVI differences, a map of crop yields can be produced

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