Food and Farm Conventional Farming
This photo taken July 13, 2010, rows of corn are seen near Pleasant Plains, Ill. A study by three Stanford University researchers credits advances in conventional agriculture for dramatically slowing the flow of greenhouse gases into the atmosphere. Farming groups have embraced the study, but some environmentalists argue the research is flawed and express concern that it could mask big problems with American agriculture. (AP Photo/Seth Perlman)
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