define humus in short.?
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Explanation:
In soil science, humus denominates the fraction of soil organic matter that is amorphous and without the "cellular cake structure characteristic of plants, micro-organisms or animals". Humus significantly affects the bulk density of soil and contributes to its retention of moisture and nutrients. . .
mark kr de
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Explanation:
the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
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