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Question
Availability of water and minerals in the soil for maximum absorption by roots is in the –
Options
B-horizon
C-horizon
A-horizon
surface of soil
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Solution
A-horizon
Explanation:
A-horizon is top soil, rich in humus. Humus improves the texture of soil, increases soil aeration and water holding capacity of soil as well as provides nutrients to the growing plants. This soil layer also contains minerals. Humus and minerals make the soil fertile and favour plant growth.
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