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Eli Whitney invented the cotton gin to transform cotton to a usable product by removing the cottonseed from the cotton fiber.
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George Washington Carver developed crop rotations and the use of legumes(plants that "make" their own nitrogen, ie. peanuts) to significantly improve soil fertility in the U.S, south
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Thomas Jefferson inventor of the first iron plow.
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Cyrus McCormick invented the reaper to save labor in cutting wheat, oats, and similar crops.
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Invented by Henry Blair.
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Also invented by Henry Blair.
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John Deere improved the iron plow by inventing the steel moldboard plow.
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Edmund Quincy
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Joseph Glidden
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Anna Baldwin
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Thomas Elkins
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Ben Holt
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John Sanford
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