Irrigation Engineering
The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called

pellicular water
equivalent moisture
soil moisture deficiency
hygroscopic water

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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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Irrigation Engineering
Pick up the correct statement from the following mention

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

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