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What is mean by humas

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What is mean by humas

    • Posted by Selva Rathnam 6 years, 3 months ago

    CBSE > Class 07 > Science
    • 3 answers

    .. ... 6 years, 3 months ago

    Humus (or humous) is the organic matter in the soil. It is made of dead parts of plants and animals. Humus takes in water and has plenty of nutrients. Nitrogen is the most important. Plants put roots into the soil to get the water and nutrients. Humus is good for plants because it is like a sponge. The dark color of humus (usually black or dark brown) helps to warm up cold soils in the spring.

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    .. ... 6 years, 3 months ago

    Humus is the dark organic matter that forms in soil when dead plant and animal matter decays. Humus has many nutrients that improve the health of soil, nitrogen being the most important. The ratio of carbon to nitrogen (C:N) of humus is 10:1

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    .. ... 6 years, 3 months ago

    In soil science, humus (derived in 1790–1800 from the Latin humus for earth, ground[1]) denominates the fraction of soil organic matter that is amorphous and without the "cellular cake structure characteristic of plants, micro-organisms or animals"

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