USDA leaves U.S. corn supply and use outlook unchanged for 2019/20 in the March WASDE. The season-average corn price received by producers is lowered 5 cents to $3.80 per bushel. Global coarse grain production for 2019/20 is virtually unchanged from last month at 1,402.8 million tons.  In relation, USDA raised global corn production by 0.4 million tons, as an increase for South Africa is partially offset by reductions for India, Peru, and Russia.  (For South Africa, production is higher as continued favorable conditions during the month of February boost yield prospects.) USDA estimates higher corn exports for Ukraine, South Africa, and the EU.  For 2018/19, Brazil’s exports for the marketing year ending February 2020...