Irrigation Engineering
The amount of irrigation water required to meet the evapotranspiration needs of the crop during its full growth is called

consumptive use
effective rainfall
net irrigation requirement
consumptive irrigation requirement

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Irrigation Engineering
In rigid module, the discharge

Depends upon the water level in the water course
Is independent of water levels in the distributary and water course
Depends upon the water level in distributary
Depends upon the water levels of both, i.e. distributary and water course

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