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The top documents tagged [cotton wheat]
APPG-Agscience Jan 28 th 2009 The need to recreate a public sector crop germplasm improvement program Plant Science research policy needs to be joined
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Gift of the Nile. World’s Longest River 4160 miles long. 4160 miles long. Area along the Nile is fertile, the area off is Arid. Area along the Nile is
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The Great Depression By the end of the 1920s, life in general was getting much better. There were huge medical advances with immunizations and cures. Result:
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Nutrient cycles become unbalanced through: Harvest of crops or timber
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Nutrient cycles become unbalanced through: 1.Harvest of crops or timber 2.Leaching and runoff (exacerbated by irrigation) 3.Monoculture (simplification)
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CROPPING PATTERNS
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