Feed Grains Database
Interactive database that contains statistics on four feed grains (corn, grain sorghum, barley, and oats), foreign coarse grains (feed grains plus rye, millet, and mixed grains), hay, and related items. Tables previously published annually in the Feed Yearbook are available and updated continuously as data are added to the database. Custom queries also allow users to retrieve historical data.
http://www.ers.usda.gov/Data/FeedGrains/#2010-5-20