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Agriculture is the science and art of cultivating plants and placental mammal, which help the human race to survive. The history of agriculture began thousands of years gone. When gathering wild grains starting a minimum of one hundred and five thousand years gone, aborning farmers began to plant them around eleven thousand years gone. Pigs, sheep and cows were domesticated over ten thousand years gone. Plants were severally cultivated in a minimum of eleven regions of the planet. Industrial agriculture supported large-scale monoculture within the twentieth century came to dominate agricultural output, although concerning two billion individuals still relied on subsistence agriculture into the 21st.
Modern scientific agriculture and growing practices such as plant breeding and using agrochemicals like pesticides and fertilizers, and technological developments have sharply accrued yields, whereas inflicting widespread ecological and environmental injury. Selective breeding and fashionable practices in husbandry have equally accrued the output of meat, however, have raised issues concerning animal welfare and environmental injury. Environmental problems sometimes contribute to warming, depletion of aquifers, deforestation, antibiotic resistance, and growth hormones in industrial meat production which generally hampers the crops and can have fatal effects on the health of consumers. Genetically changed organisms square measure wide used, though some square measure prohibited inbound countries.
The major agricultural product is often generally classified into foods, fibres, fuels and raw materials (such as rubber). Food categories embody cereals (grains), vegetables, fruits, oils, meat, milk, fungi and eggs. Over tierce of the world's employees square measure utilized in agriculture, second solely to the service sector, though the amount of agricultural employees in developed countries has reduced considerably over the centuries.
Image Name: Agriculture Png Images
Image category: Agriculture | Download Agriculture Zip
Parent category: Nature
Format: PNG image with alpha (transparent)
License: Creative Commons (CC BY-NC 4.0)
Author: Alexis Bailey
Date Added: 22-12-2016
PNG Downloads: 688
ICON Downloads: 212
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