Irrigation Engineering
The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is

8 cm
10 cm
14 cm
12 cm

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Irrigation Engineering
A counter berm is

A vertical benching provided on the outer edge of the bank
A vertical benching provided on the inner edge of the bank
A horizontal benching provided on the inside slope
A horizontal benching provided on the outside slope

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