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Scientists at the University of Nebraska have found that the state's corn-growing season has gotten 10 to 14 days longer than it was in 1980 and that there are fewer 100+ degree days. The latter phenomenon seems to be linked to more corn production: corn transpiration (the movement of water from the roots out the stomata in the leaves) is increasing local rainfall and moderating extreme heat. This map details U.S. corn production, by county. www.nass.usda.gov/Charts_and_Maps/graphics/CR-PR-RGBChor.png
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