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A nitrogen fixing bacterium that forms a...

A nitrogen fixing bacterium that forms a loose assocation with the roots of crop plants is
Or
Which one of the following micro-organisms is used as a bio fertilizer?
(a) Azotobacter
(b) Bacillus polymyxa
(c) Clostridium
(d) Azospirillum

A

Azotobacter

B

Bacillus polymyxa

C

Clostridium

D

Azospirillum

Text Solution

Verified by Experts

The correct Answer is:
D
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