The USDA-ARS is currently funding three ACE-type databases, Soybean, Wheat/small grains, and Forest Crops. I am currently working on the
soybean database, and can only say that it will be 'released' someday.
The USDA is putting together a public database, called PGD, which is a
relational database encompassing 'all' crop species. The initial
species involved in this are maize, soybean, wheat, forest trees, and
lorenzen at iastate.edu
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