what is waterlogging
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Answer:
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Waterlogging refers to the saturation of soil with water. Soil may be regarded as waterlogged when it is nearly saturated with water much of the time such that its air phase is restricted and anaerobic conditions prevail.
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Crops need optimum quantity of water. When too much water is given to the crop, it stands in the field and accumulates around the roots. This is called water logging.
Flood water standing in the field also causes water logging. It damages the crop because of these reasons:
1. Water logging reduces air in the spaces between soil particles. This cuts off oxygen supply to the roots. Due to unable to breathe, the roots get damaged.
2. It also increases the amount of salts in the soil that reduces soil fertility.
Therefore a field should have proper drainage system and soil should be well- aerated.
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