Back to School With Marketing Guru Ed Usset #54: Grain Exports

The United States is a major grain exporter. A sizable portion of everything we produce is sold to other countries. Corn is our largest export, about 2 billion bushels each year. This is a large amount of corn, but only about 15% of total production. Measured as a percent of total production, which of the following grains or oilseeds does the U.S. export most?