Question

Why the Earthworm called friends of farmers?

Answer 1

Earthworms loosen the soil by burrowing deep into it. This is equal to tilling of the soil.
Earthworms consume animal and plant wastes and release organic matter as its excreta. This excreta of earthworms increases soil fertility. It improves the water holding capacity of the soil. The process of using worms to decompose animal and plant wastes is called vermicomposting. The manure produced after decomposing of wastes is called vermicompost.