Question

why land plants die, if their roots remain water logged for a consideralble time ?

Answer 1

Hi friend,

when excessive water logging happens then the roots become water logged and the space for oxygen blocks. and when there is no oxygen in roots the plant dies.

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Answer 2

Hi,
Plants take in oxygen through both the leaves and the roots. The roots can absorb oxygen from either air or water.In soil, the roots rely mainly on the small empty spaces in the dirt to take oxygen from the air. This is why potting soil mixes are made lighter/looser with the addition of peat and perlite. A plant in the ground can extend its roots to find more and more oxygen even in thick soil.So, we should not keep land plants in water for much time.

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