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Farm water, also known as agricultural water, is water committed for use in the production of food and fibre and collecting for further resources. In the US, some 80% of the fresh water withdrawn from rivers and groundwater is used to produce food and other agricultural products. [ 1 ]
At first, plans to increase irrigated farmland, largely by giving land to farmers and asking them to find water, failed across the board. Congress passed the Desert Land Act in 1877 and the Carey Act in 1894, which only marginally increased irrigation. [ 85 ]
Photo showing piece of agricultural land irrigated and ploughed for paddy cultivation Share of land area used for agriculture, OWID. 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.
Water balance components in agricultural land. The water balance components can be grouped into components corresponding to zones in a vertical cross-section in the soil forming reservoirs with inflow, outflow and storage of water: [2] the surface reservoir (S) the root zone or unsaturated (vadose zone) (R) with mainly vertical flows
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Terraced farming was developed by the Wari culture and other peoples of the south-central Andes before 1000 AD, centuries before they were used by the Inca, who adopted them. The terraces were built to make the most efficient use of shallow soil and to enable irrigation of crops by allowing runoff to occur through the outlet.
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