Name of top soil
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Meghna Thapar 5 years, 11 months ago
A-horizon or Top-soil: The uppermost horizon is generally dark in colour as it is rich in minerals and humus. The humus makes the soil fertile and provides nutrients to growing plants. This layer is generally soft, porous and can retain more water. The plant roots grow in the top soil. This layer contains many living things like worms, rodents, and moles etc. Bacteria and fungi also occur in top soil. This layer contains lot of dead and decaying matter which makes it the most fertile layer. It is called the topsoil or the A-horizon.
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