USDA reports for August 2019: Larger supplies, reduced exports and corn used for ethanol, and greater ending stocks. Corn production is forecast at 13.9 billion bushels, up 26 million from the July projection as a decline in harvested acres is virtually offset by an increase in yield. The season’s first survey-based corn yield forecast, at 169.5 bushels per acre, is 3.5 bushels higher than last month’s projection. Today’s Crop Production report indicates that Illinois, Indiana, Iowa, Minnesota, Nebraska, Ohio, and South Dakota are forecast to have yields below a year ago. Of the major producing states, only Missouri is forecast to have yields above a year ago.  Exports are lowered reflecting U.S. export competitivene...