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The first gasoline tractor was built by John Froelich.
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George Washington Carver of Tuskegee Institute finds new uses for peanuts, sweet potatoes, and soybeans, helping to diversify southern agriculture
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Big open-geared gas tractors introduced in areas of extensive farming
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The farm population in 1920, when the official Census data began, was nearly 32 million, or 30.2 percent of the population
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Cotton-stripper developed for High Plains; successful light tractors developed
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Otto Rohwedder introduced his bread-slicing machine
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All-purpose, rubber-tired tractor with complementary machinery popularized
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Spindle cotton picker produced commercially
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Frozen foods popularized
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Change from horses to tractors and increasing technological practices characterize the second American agricultural revolution; productivity per acre begins sharp rise
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96% of cotton harvested mechanically
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No-tillage agriculture popularized
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After several slow years, the sale of farm equipment rebounds; more farmers begin to use low-input sustainable agriculture (LISA) techniques to reduce chemical applications
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Farmers begin using satellite technology to track and plan their farming practices. The user of conservation tillage methods, which leave crop residues in the field to combat erosion, continues to rise. FDA grants first approval for a whole food produced through biotechnology, the FLAVRSAVR™ tomato. Farm Bureau celebrates its 75th anniversary. U.S. Congress approves General Agreement on Tariffs and Trade (GATT), helping liberalize world trade
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The first weed and insect—resistant biotech crops-soybeans and cotton—are available commercially
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The number of farms grew to 2.2 million
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The number of farms grew to 6.4 million
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