There is no question that the tone of today’s USDA reports is at least mildly bullish, and markets have reacted accordingly. However, it is worth asking what has really changed.USDA’s final corn and soybean production estimates were both lower than expected. Most observers anticipated slight increases based on the trend for big crops to get bigger. However, the national average yield and planted area for both crops were reduced. The corn yield was put at 174.6 bushels/acre, down .7 bushels/acre, and harvested acres were lowered by about 100,000. The soybean yield was lowered .4 bushels/acre to 52.1 bushels/acre, and harvested acres were down 300,000. Although yields were down from USDA’s November estimates, they still represent new records...