Barchart Forecasts Cut to USDA Corn Yield and Production Figures in Initial 2021 Production Estimates News provided by Share this article CHICAGO, June 2, 2021 /PRNewswire/ -- End of season U.S. corn production is forecast at 14.5B bu with a yield of 173.5 bu/ac. This compares to the USDA's 15.0B bu of production and 179.5 bu/ac yield. End of season U.S. soybean production is forecast at 4.3B bu with a yield of 49.5 bu/ac. This compares to the USDA's 4.4B bu of production and 50.8 bu/ac yield. Free semi-monthly crop production and yield estimates for the U.S. and major production areas are available through our