Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall.
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Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall.
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Irrigation has other uses in crop production, including frost protection, suppressing weed growth in grain fields and preventing soil consolidation.
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Irrigation systems are used for cooling livestock, dust suppression, disposal of sewage, and in mining.
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Irrigation is often studied together with drainage, which is the removal of surface and sub-surface water from a given location.
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Irrigation was used as a means of manipulation of water in the alluvial plains of the Indus valley civilization, the application of which is estimated to have begun around 4500 BC and drastically increased the size and prosperity of their agricultural settlements.
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Irrigation began in Nubia some time between the third and second millennia BCE.
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Irrigation enabled the production of more crops, especially commodity crops in areas which otherwise could not support them.
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Irrigation can be understood whether it is supplementary to rainfall as happens in many parts of the world, or whether it is 'full irrigation' whereby crops rarely depend on any contribution from rainfall.
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Irrigation often requires pumping energy to deliver water to the field or supply the correct operating pressure.
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Irrigation management refers to the scheduling of irrigation events and decisions around how much water is applied.
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Irrigation schemes involve solving numerous engineering and economic problems while minimizing negative environmental consequences.
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