Which one is a biofertilizer...

Which one is a biofertilizer

A

NPK mixture

B

Rhizobia in legume roots

C

Rhizobia in farmyard manure

D

Green manure

Text Solution

Verified by Experts

The correct Answer is:

B

Rhizobium bacteria live symbiotically in root nodules which fix atmospheric nitrogen and hence increase fertility of soil.

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