Question

A farmer found the soil of his farm deficient in nitrogen.What can he do to enrich the soil if he cannot buy nitrogenous fertilizers?
Grow lichens in the field.
Grow leguminous crops in the field.
Grow rhizopus in his farm​

Answer 1

Answer:

He should grow leguminous plants in his field because legumes have rhizobium bacteria in their root nodules taht convert atmospheric nitrogen into a form usable by plants