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The US is the world's largest producer of corn. [8] According to the United States Department of Agriculture (USDA), the average U.S. yield for corn was 177 bushels per acre, up 3.3 percent over 2020 and a record high, with 16 states posting state records in output, and Iowa reporting a record of 205 bushels of corn per acre.
The units by which the yield of a crop is usually measured today are kilograms per hectare or bushels per acre. Long-term cereal yields in the United Kingdom were some 500 kg/ha in Medieval times, jumping to 2000 kg/ha in the Industrial Revolution, and jumping again to 8000 kg/ha in the Green Revolution. [1]
Francis Childs (August 30, 1939 - January 9, 2008) was a hog farmer and champion corn farmer from Manchester, Iowa.He is known for being the first farmer to have corn yields of over 400 bushels per acre in controlled contest plots, achieving that level in 2001 and 2002.
Heavily mechanized, U.S. agriculture has a high yield relative to other countries. As of 2004: [20] Corn for grain, average of 160.4 bushels harvested per acre (10.07 t/ha) Soybean for beans, average of 42.5 bushels harvested per acre (2.86 t/ha) Wheat, average of 43.2 bushels harvested per acre (2.91 t/ha, was 44.2 bu/ac or 2.97 t/ha in 2003)
An RFA lobby document states that "In a January 2007 statement, the USDA Chief Economist stated that farm program payments were expected to be reduced by some $6 billion due to the higher value of a bushel of corn. [32] Corn production in 2009 reached over 13.2 billion bushels, and a per acre yield jumped to over 165 bushels per acre. [33]
It takes Silver Queen about 120 days to yield, while newer varieties take between 70 and 80 days, she said. Plus, newer corn varieties are sweeter — “a whole lot more sugar” — with bigger ...
Grain moisture as determined by the moisture sensor or by operator input into the yield monitor can also be included to estimate dry grain mass. In the United States the grain yield is typically reported as bushels per acre. SI units for grain yield measurement are typically reported as tonnes per hectare or in few cases m 3. The harvester ...
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