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Which of the following situations – ‘A’ or ‘B’ – is advantageous for absorption of water and minerals? Why?
Situation A: Growth and branching of roots in the C-horizon.
Situation B: Growth and branching of roots in A and B-horizons.
Situation B is advantageous to plants because A and B horizons are humus-rich regions and humus improves the texture of the soil, increases water holding capacity of soil and provides nutrients for the growth of plants.
Minerals are also present in A and B horizons. Humus and minerals make the soil fertile and help in the growth of plants. So growth and branching of roots in A and B – horizons is advantageous for absorption of water and minerals by plants.
Updated on: 01-Feb-2023
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