What is drainage in irrigation?
Andrew PelEnlightened
What is drainage in irrigation?
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What is drainage in irrigation?
aron
The purpose of surface drainage is to let the excess water out from the soil surface. These functions prevent the soil from overwetted state. Beside the regulation of soil moisture content on areas affected by salty groundwater, drainage systems can control the salt accumulation and leaching processes as well
andrew
The removal of excess water either from the ground surface or from the rootzone, is called drainage. Excess water may be caused by rainfall or by using too much irrigation water, but may also have other origins such as canal seepage or floods.
avery
Irrigation and drainage, artificial application of water to land and artificial removal of excess water from land, respectively. Some land requires irrigation or drainage before it is possible to use it for any agricultural production; other land profits from either practice to increase production. Some land, of course, does not need either. Although either practice may be, and both often are, used for nonagricultural purposes to improve the environment, this article is limited to their application to agriculture.