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Farmers have a long history of using machines to improve productivity. Beginning with the invention of Thomas Jefferson's plow in 1794, the first gas tractor in 1892, the cotton stripper in 1926, to satellite remote sensing and GPS navigation in the early 1990’s, farmers have been early adopters of machine technology.

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1794 - Thomas Jefferson's moldboard of least resistance tested

1834 - McCormick reaper patented

1837 - John Deere began manufacturing steel plows

1849 - Mixed chemical fertilizers sold commercially

1868 - Steam tractors were tried out

1884 - Horse-drawn combine used in Pacific coast wheat areas

1913 - The Haber–Bosch process fertilizer process introduced

1918 - Small combine with auxiliary engine introduced

1926 - Cotton-stripper developed for High Plains

1926 - Successful light tractor developed

1930 – First use with aerial photos for agriculture      

1942 - Spindle cotton picker produced commercially

1945-70 - Agriculture sees transformation from horses to tractors

1954 - Number of tractors on farms exceed  horses and mules

1965 - 99% of sugar beets harvested mechanically

1968 - 96% of cotton harvested mechanically

1989 – First commercial use of GPS

1990 - NASA introduces remote sensing

1999 – John Deere GPS guidance technology introduced

2013 – Introduction of drones for agriculture purposes