General ScienceIs it true that continuous water-logged soils are disadvantageous for plant growth?

Is it true that continuous water-logged soils are disadvantageous for plant growth?


  1. A
    True
  2. B
    False  

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    Solution:

    The above statement is true.
    Even though they are underground, roots have live cells that need oxygen to breathe and produce energy. They take up oxygen that is found in the gaps between soil granules. But in soils heavily saturated with water, oxygen is forced into the atmosphere when water fills the pores between soil particles. Thus, roots are reduced in oxygen, which has an impact on plant development. It follows that it is unfavourable for plants to develop on soil constantly saturated with water.
     
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