Question

How rhizobium helps to replenish soil nutrients ?​

Answer 1

Answer:

Symbiotic association

Explanation:

Rhizobium bacteria associates symbiotically with the leguminous plants. They form nodule at the root. The bacteria helps to convert the atmospheric nitrogen to usable form nitrates and fix in the soil which can be utilized by the   plants. The  nitrogen present in the atmosphere cannot be used by the plants directly.