Question

why farmers grow leguminous crops between two main crops?

Answer 1

well legume plants have nitrogen modules in their roots so when thei die the nitrogen modules are released in the soil that makes soil rich in nitrogen
so plants aside can get nitrogenius soil for better protien sybthesis in them

Answer 2

Answer:

Leguminous plants have nitrogen fixing bacteria at their root nodules. these bacteria take up atmospheric nitrogen and convert them to nitrous compounds which are useful to plants thus increasing the fertility of the soil. this helps in the growth of other plants grown with the leguminous plants