The common nitrogen-fixer in paddy fields is [NCERT Pg. No. 158] [CBSE PMT (Pre.) 2010]

Biology · NEET · NTA Exams — Microbes in Human Welfare

1. Frankia
2. Rhizobium
3. Azospirillum (B.G.A.)
4. Oscillatoria

Answer

(C) Azospirillum (B.G.A.)

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