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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 following table shows the vegetable oil yields of common energy crops associated with biodiesel production. Included is growing zone data, relevant to farmers and agricultural scientists. This is unrelated to ethanol production, which relies on starch, sugar and cellulose content instead of oil yields.
Wheat yields in least developed countries since 1961. The steep rise in crop yields in the U.S. began in the 1940s. The percentage of growth was fastest in the early rapid growth stage. In developing countries maize yields are still rapidly rising. [6] Productivity is driven by changes in either agricultural technique or improvements in technology.
Selling to the wholesale market usually earns 10–20% of the retail price, but direct-to-consumer selling earns 100%. Although highly variable, a conventional farm may return US$0.03 to US$0.30/m 2 (US$120 to US$1,210 per acre; US$300 to US$3,000 per hectare) but an efficient market garden can earn in the US$2 to US$5/m 2 (US$8,100 to US$20,200 per acre; US$20,000 to US$50,000 per hectare ...
This is a list of countries by vegetable production in 2020 based on the Food and Agriculture Organization Corporate Statistical Database. The total world vegetable production for 2020 was 1,148,446,252 metric tonnes. In 1961 production was 198 mln. tonnes.
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