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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 ...
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.
The agricultural cycle is the annual cycle of activities related to the growth and harvest of a crop (plant). These activities include loosening the soil, seeding, special watering, moving plants when they grow bigger, and harvesting, among others. Without these activities, a crop cannot be grown.
For most conventionally grown plant and animal crops, production is limited to specific times of year by the need for suitable weather or for periods of inactivity during which soils can recover fertility and producers can resupply inputs and otherwise prepare for the start of the next production cycle, meaning the harvested products are only ...
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]
Transformation of primary products into end-consumer products (e.g., production, preservation, and packaging of dairy products) Prevention and correction of adverse environmental effects (e.g., soil degradation, waste management, bioremediation) Theoretical production ecology, relating to crop production modeling
Theoretical production ecology is the quantitative study of the growth of crops. The plant is treated as a kind of biological factory, which processes light, carbon dioxide, water, and nutrients into harvestable products. The main parameters are temperature, sunlight, standing crop biomass, plant production distribution, and nutrient and water ...
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.