Irrigation Engineering
When surface of transpiration is submerged under water, then potential evapotranspiration is

much more than evapotranspiration
equal to evapotranspiration
much less than evapotranspiration
equal to or less than evapotranspi-ration

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Irrigation Engineering
For a standing crop, the consumptive use of water is equal to the depth of water

Transpired by the crop
Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil
Transpired and evaporated by the crop
Evaporated by the crop

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