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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 ]
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.
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 ...
In United States agricultural law, a farm’s base acreage is its crop-specific acreage of wheat, corn, grain sorghum, barley, oats, upland cotton, soybeans, canola, flax, mustard, rapeseed, safflower, sunflowers, and rice eligible to enroll in the Direct and Counter-cyclical Program (DCP) under the 2002 farm bill (P.L. 101-171, Sec. 1101-1108).
Food production per capita since 1961 Grain silos Rice plantation in Thailand Cambodians planting rice, 2004. Agricultural productivity is measured as the ratio of agricultural outputs to inputs. [1] While individual products are usually measured by weight, which is known as crop yield, varying products make measuring overall agricultural ...
Milk from cows fed with silage containing clostridial spores could represent a risk in hard cheese production. [19] A special focus has to be directed to zoonotic pathogens like listeria, mycotoxins, clostridia, and E. coli bacteria as a result of deficient hygiene in silage production and could end up in dairy products. [20]
For example, average yields of corn (maize) in the US have increased from around 2.5 tons per hectare (t/ha) (40 bushels per acre) in 1900 to about 9.4 t/ha (150 bushels per acre) in 2001. Similarly, worldwide average wheat yields have increased from less than 1 t/ha in 1900 to more than 2.5 t/ha in 1990.
Corn field in Liechtenstein. Corn stover consists of the leaves, stalks, and cobs of corn (maize) (Zea mays ssp. mays L.) plants left in a field after harvest. Such stover makes up about half of the yield of a corn crop [1] and is similar to straw from other cereal grasses; in Britain it is sometimes called corn straw. Corn stover is a very ...
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