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machine for separating seeds from cotton
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helps farmers harvest grain
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germ theory brought to fruition - “...using heat to sterilize wine, beer, and milk is widely considered to be one of history’s most effective public-health interventions.”
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facilitated irrigation
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landmark in food safety
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fritz haber won a nobel prize for the ammonia-synthesis process “used to create new class of fertilizers central to the green evolution
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mechanization brings profound changes to global food production
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vegetation was lost and soil reduced to dust and eroded
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became a viable technique for improving crops and livestock products
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implemented to preserve roadless tracts in national forests, securing fish and wildlife habitats and protecting natural resources