... livestock feed demand. Below-trend U.S. corn yields in 2010 and 2011 contributed to a sharp drawdown of stocks and higher corn prices. Tight corn stocks make markets very sensitive to ... expected to increase, net returns to corn producers remain high by historical standards, and this supports corn acreage. Projected farm program payments are very small relative to corn ... 2011/12. Margins may need to increase to encourage the slight increase in capacity required to supply the 15 billion gallons of conventional ethanol that can be used to satisfy the RFS2 in...