Irrigation of a field is normally warranted when the available moisture content in the root zone of a crop is depleted by about
Conjunctive use of water in a basin means
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Net irrigation requirement of a crop is equal to
In an irrigation system, water was delivered to the field in ditches spaced about 30 m apart, and was allowed to seep into the ground to maintain the water table at such a height that the water is available to the crops through the capillary fringe. This method of irrigation is called.
In contour border irrigation method
In border method of irrigation, the flow along the border is a case of
In an irrigation system, the land was divided into a large number of smaller size unit areas, having fairly level surface, by bunds and cross ridges. The basins thus created were filled with water to the desired depth and the Water was retained for some time. This method of irrigation is known as
For growing irrigated paddy, the ideal water application method is
The maximum application rate by sprinklers is limited by
Which of the following statements pertaining to sprinkler irrigation is not correct?
31 docs|280 tests
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31 docs|280 tests
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