Irrigation Engineering
The length and width of a meander and also the width of the river, vary roughly as

Square of the discharge
Square root of the discharge
Discharge
Cube of the discharge

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

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

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