the common nitrogen-fixer in paddy fields is1
The common nitrogen-fixer in paddy fields is:
1. Rhizobium
2. Azospirillum
3. Oscillatoria
4. Frankia
Azospirillum is the common nitrogen-fixer in paddy fields
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the common nitrogen-fixer in paddy fields is1 rhizobium2 azospirillum3 oscillatoria4 frankiaazospirillum is the common nitrogen-fixer in paddy
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