Fertile soil has lot of humus. Why?
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Answer: Fertile soil has lots of humus because it contains microorganisms that decompose dead organic matter present in soil and help in the formation of humus. Humus is a sources of mineral, absorbs water and makes the soil porous for easy passage of plant roots.
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fertile soil are rich in organisms that decompose dead organic matter and form humus. Humus provide minerals, absorbs water and makes soil porous. Humus makes the soil fertile.
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