Question

why is earthworm called as friend of farmer ?​

Answer 1

Earthworms are known as farmers' bestfriends because of the multitude of services they provide that improve soil health and consequently plant health. ... The soil, in addition to being the habitat for crops, also nurtures other organisms, some of which can cause devastating diseases to plants.

Answer 2

Earthworms are known as friends of farmers since they further turn and loosen the soil .Like microbes,they also add humus to it by decomposing the dead plants and animals in the soil.Humus is a storehouse of essential plant nutrients .It provides high water absorption and water holding capacity through the soil by increasing air spaces.On turning the humus rich soil comes up.The manure gets mixed properly with the soil when it is turned and loosened.