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FILE - In this April 4, 2013 file photo a central Illinois corn and soybean farmer cultivates his field for spring planting in Waverly, Ill. The U.S. Department of Agriculture says in its annual forecast released Monday, March 31, 2014 the number of acres devoted to corn is expected to shrink about 4 percent this year as farmers devote more of their land to soybeans. (AP Photo/Seth Perlman, File)

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