Question

Why top soil has humus more than subsoil

Answer 1

It contains more organic material than the subsoil and so it is darker in color. Humus is the decayed remains of the plants and animals, which breaks down in the soil by the microbes. ... Therefore, this happens more in the topsoil, than in any other soil layer. Thus, the top layer of soil has more humus than other layers.

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Answer 2

hey mate ur ans is here!
it contains more organic material thanthe subsoil and so it is darker in color.Humus is the decayed remains of the plants and animals, which breaks down in the soil by the microbes. ... Therefore, this happens more in thetopsoil, than in any other soil layer. Thus, the top layer of soil has more humus than other layers.
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