Q4. What is humus? what is humus ?
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the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms
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the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.
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.
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