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They created weed and insect- resistant biotech crops- soybeans and cotton- that are available commercially
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Farmers bagan using satellites to track and plan their farming practices
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The green revolution incresed crop yields in developng countires by introducing higher yielding strains of plant and using new fertilizers
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the All-purpose rubber tired tractor with the complementary machinery that popularized
Anhydrous ammonia increasingly used as cheap source of nitrogen that helped boost yield -
From big open-geared gas tracotrs to enclosed tractor gears, the cotton-stripper developed for High Plains the light tractors was developed. Also the Bread slicing machine was created by Otto Rohwedder.
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The first gasoline tractor ws built by John Frelich
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He founded the commercial fertilizer industry by developing a process of making superphosphate
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The firsr grain elevator was created in Buffalo New York
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John deere and Leonard Andrus bagan to manufacture steel plows with pracitcal threshing machine patented
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Eli Whitney invented the cotton gin that helped cotton become a Southern cash crop.