The best fertilizer for paddy is
Azolla pinnata
Bacillus megatherium
Rhizobium meliloti
Bacillus polymyxa
Which of the following is free living aerobic and nonphotosynthetic nitrogen fixing bacterium
An example of endomycorrhiza is
Azolla is used as a biofertilizer because it
Definitions / Explanation : Mycorrhiza
Organic forming does not include