The common nitrogen-fixer in paddy fields is

Question

The common nitrogen-fixer in paddy fields is (A) Rhizobium (B) Azospirillum (C) Oscillatoria (D) Frankia.

Tardigrade Admin · Accepted Answer

Azospirillum is an anaerobic nitrogen fixing bacteria which forms loose association with roots of some plants. Inoculation of paddy fields with these bacteria helps in increasing yield and saving of nitrogen fertilizers.

Q. The common nitrogen-fixer in paddy fields is

Rhizobium

Azospirillum

Oscillatoria

Frankia.

Azospirillum is an anaerobic nitrogen fixing bacteria which forms loose association with roots of some plants. Inoculation of paddy fields with these bacteria helps in increasing yield and saving of nitrogen fertilizers.