Question

Why the soil in marshy area is found to be water logged, after heavy rains?

Answer 1

Waterlogging occurs whenever the soil is so wet that there is insufficient oxygen in the pore space for plant roots to be able to adequately respire. Other gases detrimental to root growth, such as carbon dioxide and ethylene, also accumulate in the root zone and affect the plants.

Answer 2

Answer:

As long as soil conditions are moist, the older roots close to the surface allow the plant to survive. ... Waterlogging occurs when the soil profile or the root zone of a plant becomes saturated. In rain-fed situations, this happens when more rain falls than the soil can absorb or the atmosphere can evaporate.

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