Question

Raman always alternates his wheat crops with legumes.Why?

Answer 1

So that pulses keep balance in the nutrients of soil as wheat consume a lot of nutrients from soil ....legumes provide nutrients to soil even aftrr taking it from soil by fixing the nitrogen with rhizobium bacteria

Answer 2

so that the nutrients like nitrogen remain fixed in the soil. leguminous plants have rhizobium bacteria which converts atmospheric nitrogen into usable from which replenishes nitrogen in the soil