Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food
products.
Agriculture is a key factor in the rise of sedentary human civilization, whereby farming of domesticated
species
create food surpluses that enable people to live in the cities. While humans started gathering grains at
least
105,000
years ago, nascent farmers only began planting them around 11,500 years ago. Sheep, goats, pigs, and cattle
were
domesticated around 10,000 years ago. Plants were independently cultivated in at least 11 regions of the
world.
In the
20th century, industrial agriculture based on large-scale monocultures came to dominate agricultural output.
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