Chemical, Fertilizer, Labor, and Feed Expense by Year-United States:2007-2011 Year Chemical Fertilizer Labor Feed Mil. $ Mil. $ Mil. $ Mil. $ 2007 10,500 17,700 28,600 41,900 2008 11,700 22,500 29,700 46,900 2009 11,500 20,100 28,800 45,000 2010 10,700 21,000 27,300 45,400 2011 11,800 25,100 26,800 54,600