Question

Fertile soil has lot of humus. Why?
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Answer 1

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.

Answer 2

Answer:

because it contains microorganisms

Explanation:

that decompose dead matter in soil as lesd formation of humus

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