USDA Estimates - U.S. wheat in 2020/21 will have reduced stocks.  The 2020/21 U.S. wheat crop is projected at 1,866 million bushels, down 3 percent from last year as lower yields offsett higher harvested acreage.  The all-wheat yield is projected at 49.5 bushels per acre, down 2.2 bushels from last year.   Exports for 2020/21 are projected at 950 million bushels, down 20 million from the revised 2019/20 exports.  Greater global 2020/21 export competition is expected for the United States as several major exporters have larger supplies.   Argentina, Australia, Canada, and Russia are projected to have higher production for 2020/21.  Australia is projected with the largest increase from last year to 24...