The Crop Systems and Global Change Lab has registered cotton data sets with NASA's Global Change Master Directory (GCMD). These data was collected from various sites throughout the U.S., such as Alabama, California, Louisiana, Mississippi, Missouri, New Mexico, Tennessee and Texas. You may search Nasa's site by clicking here
and using the keywords 'cotton' and 'USDA'.
You may also visit our site to view each State's collection of data.