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A biofertilizer is:...

A biofertilizer is:

A

farmyard manure consisting of mixture of cattle dung and crop residues

B

green manure in which a quick growing crop is cultivated and ploughed under

C

a cyanobacterium like Anabena sp. Living in cavities of Azolla leaves

D

symBOTtic bacteria like Azotobacter which fix atmosphere nitrogen

Text Solution

Verified by Experts

The correct Answer is:
C
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