A water-logged land is found suitable for cultivation due to
A. Ease of tillage for preparation of the field for optimum condition of germination
B. Absence of aeration of soil from root zone of the plant
C. Regular supply of water to plants from the water table by capillary action
D. None of these
Answer: Option D
This Question Belongs to Civil Engineering >> Irrigation Engineering
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Finally formed berms in canals are provided for
A. Protection of banks erosion by the waves
B. Control of seepage losses
C. Strengthening of banks
D. All the above
Canals constructed for draining off water from water logged areas, are known
A. Drains
B. Inundation canals
C. Valley canals
D. Contour canals
A hydroelectric scheme operating under a head of 80 m will be classified as
A. low head scheme
B. medium head scheme
C. high head scheme
D. none of the above
A. Low sodium water
B. Medium sodium water
C. High sodium water
D. Very high sodium water
A water-logged land is found suitable for cultivation due to under negative pressure.