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The Green Revolution, or the Third Agricultural Revolution, was a period of technology transfer initiatives that saw greatly increased crop yields. [ 1 ] [ 2 ] These changes in agriculture began in developed countries in the early 20th century and spread globally until the late 1980s. [ 3 ]
British Agricultural Revolution (17th–19th century), an unprecedented increase in agricultural productivity in Great Britain (also known as the Second Agricultural Revolution) Scottish Agricultural Revolution (17th–19th century), the transformation into a modern and productive system; Third Agricultural Revolution (1930s–1960s), an ...
1700 – British Agricultural Revolution ends; 1763 – International "Potato Show" in Paris with corn varieties from different states; 1804 – Vincenzo Dandolo writes several treatises of agriculture and sericulture. 1809 – French confectioner Nicolas Appert invents canning; 1837 – John Deere invents steel plough
Soil Exhaustion as a Factor in the Agricultural History of Virginia and Maryland, 1606–1860 (1925) Cronon, William. Changes in the Land, Revised Edition: Indians, Colonists, and the Ecology of New England (2nd ed. 2003), excerpt and text search; Cunfer, Geoff. On the Great Plains: Agriculture and Environment. (2005). 240 pp.
The evolution of United States standard time zone boundaries from 1919 to 2024 in five-year increments. Plaque in Chicago marking the creation of the four time zones of the continental US in 1883 Colorized 1913 time zone map of the United States, showing boundaries very different from today Map of U.S. time zones during between April 2, 2006, and March 11, 2007.
On Nov. 18, 1883, Americans adopted four standardized time zones, replacing a confusing, dangerous hodgepodge of times. Why Americans shifted, scrapped minutes and changed time forever 141 years ...
About this time, agriculture was developed independently in the Far East, probably in China, with rice rather than wheat as the primary crop. Maize was domesticated from the wild grass teosinte in southern Mexico by 6700 BC. [48]
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