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Four crops account for about half of global primary crop production: sugar cane, maize, wheat and rice. [3] The global production of primary crops increased by 54% between 2000 and 2021, to 9.5 billion tonnes, which is 2% higher than in 2020. This represents 3.3 billion tonnes more than in 2000. With slightly less than one-third of the total ...
Crop choice is central to any cropping system. In evaluating whether a given crop will be planted, a farmer must consider its profitability, adaptability to changing conditions, resistance to disease, and requirement for specific technologies during growth or harvesting. [2]
Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. [1] Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in the cities.
Surplus crops beyond the needs of subsistence agriculture can be sold or bartered. The more grain or fodder a farmer can produce, the more draft animals such as horses and oxen could be supported and harnessed for labour and production of manure. Increased crop yields also means fewer hands are needed on farm, freeing them for industry and ...
Agricultural land is typically land devoted to agriculture, [1] the systematic and controlled use of other forms of life—particularly the rearing of livestock and production of crops—to produce food for humans. [2] [3] It is generally synonymous with both farmland or cropland, as well as pasture or rangeland.
A cash crop, also called profit crop, is an agricultural crop which is grown to sell for profit. It is typically purchased by parties separate from a farm . The term is used to differentiate a marketed crop from a staple crop ("subsistence crop") in subsistence agriculture , which is one fed to the producer's own livestock or grown as food for ...
Areas that meet that definition now cover 40.6% of all land on Earth, excluding Antarctica. ... From 17% to 22% of current crop production is projected to be lost in sub-Saharan Africa by mid ...
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 ...