MONTGOMERY, Minn. — With about 60 acres of corn left to pick, Don Reichert had little to complain about when he pulled into the Minnesota Valley Grain elevator early Saturday evening on Oct. 24. His soybeans were done and his corn was coming out of the field dry enough that he didn’t expect drying charges. Yields on both crops were good, he said, waiting in his truck until the short line at the elevator passed. “All in all, it turned out to be …