Question

what is humus ?why is it essential for cultivation of crop? name the two process by which we increase humus in soil to increase the fertility of soil​

Answer 1

Answer:

the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.....

Some experts think humus makes soil more fertile. Others say humus helps prevent disease in plants and food crops. When humus is in soil, the soil will crumble. Air and water move easily through the loose soil, and oxygen can reach the roots of plants...

Explanation:

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Answer 2

It is a type of biodegradable waste which is decompose by micro-orgamisms and then mixed with soil and make them more fertile.it is essential because it makes soil mor fertile then the output of grains increased.