Question

How does earthworm helpful for farmers

Answer 1

Earthworm is called Farmers friend because nearly it can consume all biodegradable materials and convert it into Rich Manure. Farmers use earthworms for making manure this process is called vermicomposting.
Explanation:Earthworms "plow" and mix up the soil. Their tunneling loosens the soil so water and nutrients can go downward. The nutrients in worm castings enrich the soil. The slime they secrete contains nitrogen, an important nutrient for plants.