Waterlogging in irrigated lands primarily occurs when:
Choose the correct answer
Rainfall is insufficient for crop needs
The water table rises close to the root zone due to excess irrigation, poor drainage, or seepage from canals/rivers
The soil has high permeability
Crops are over-irrigated in summer only
Correct Answer
B. The water table rises close to the root zone due to excess irrigation, poor drainage, or seepage from canals/rivers
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Waterlogging: water table within capillary fringe of root zone, making soil anaerobic and reducing crop yield. Causes: excess irrigation, poor drainage, seepage from canals/reservoirs. Control: conjunctive use, improved drainage, canal lining.
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