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Period: to
ag history
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cotton gin
eli whitney invented the cotton gin. -
iron plow-thomas jefferson
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grain reaper-cyrus McCormink
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seed planter-henry blair
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cotton planter-henry blair
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steel moldboard plow- john deer
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corn picker-edmund quincy
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barbed wire-joseph glidden
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milking machine-anna baldwin
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perishable rood presrvation- thomas elkins
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soil improvement and crop rotaion
george washinton carver developed crop roation and the use of legumes. -
tractor-ban holt
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smith- hodges act-money for ag classes
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FFA became a national organtation
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NFA for blacks
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ffa gains a federal charter
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ffa and nfa merged
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girls joined ffa
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gene gun-john sanford
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name change
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tractor gps1993
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robotic milking