Which of the following is a non-symbioti...

Which of the following is a non-symbiotic biofertiliser ?

A

VAM

B

Azotobacter

C

Anabaena

D

Rhizobium

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The correct Answer is:

B

Bacteria, such as Azotobacter is free living and can fix atmospheric nitrogen in the soil, thus enriching nitrogen content of the soil.

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