Question

why are earthworms consider a farmers friend

Answer 1

because a farmer works all day in the field and he isn't afraid of them instead he can also hold it. that's the reason

Answer 2

Hey here is yiur answer :-
Earthworms are known as farmers' best friends 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.
HOPE THIS MAY HELP YOU...