At this time of the year and, in fact, during the entire summer growing season, grain and soy markets are intently focused on supplies. What will be the level of production for major spring-planted crops in the U.S. and the Northern Hemisphere? How much of the old crop will be carried into the new crop year? This focus on how much corn, wheat, soybeans and other grains and oilseeds will be harvested is understandable. Newswires are filled with yield and production estimates from a variety of sources, including the “official” source, USDA. Often there is considerable debate over what the U.S. national average yield will be for corn and soybeans. Comments from participants in crop tours such as next week’s annual Pro Farmer...