Irrigation Engineering
Pick up the correct statement from the following mention

Gravity water is harmful to crops
All of these
Hygroscopic water remains attached to soil molecules by chemical bond
Capillary moisture held in the soil pores against gravity by surface tension, is utilised by plants

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Irrigation Engineering
Lacy's regime condition is obtained if

Discharge in the channel is variable
Silt charge in the channel is variable
Silt grade in the channel is variable
Channel flows in unlimited, incoherent alluvium of the same character as that transported material

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