USDA Report Shows Predicting Soybean Yields Not Easy Last Friday's USDA NASS final crop production report indicated the U.S. soybean crop in 2012 totaled 3.01 billion bushels with an average yield of 39.6 bushels per acre. That made it the seventh largest U.S. soybean crop ever, which is amazing considering the severity of last year's drought. The final production estimate was 381 million bushels, or 14.5 percent above the September crop report, when USDA forecasted the average yield at 35.3 bushels per acre. Few would have believed in September that the final yield could be that high.Forecasting soybean yields has always been a crapshoot, but this year proved to be extremely difficult because of the late rains that feel in several key s...