Irrigation Engineering
A water-logged land is found suitable for cultivation due to

Absence of aeration of soil from root zone of the plant
None of these
Ease of tillage for preparation of the field for optimum condition of germination
Regular supply of water to plants from the water table by capillary action

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Irrigation Engineering
In a syphon aqueduct

Canal passes over the drainage and H.F.L. of the drainage is below the bottom of the canal trough
Drainage passes over the canal and F.S.L. of the canal is above the bottom of the drainage trough
Canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough
Drainage passes over the canal and F.S.L. of the canal is below the bottom of the drainage trough

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