Irrigation

Q1: If water table is comparatively high, the irrigation canal becomes useless, due to

A large amount of seepage

B water logging of the cultivated areas

C uncertain water demand

D spread of malaria

E all the above.

ANS:E - all the above.

Seepage does occur if GWT is already up and water is coming upward while capillary action does work. Option A is a correct cause or not? Please explain.



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