Azotobacter and Bacillus polymyxa are
Decomposers
Nonsymbiotic nitrogen fixers
Symbiotic nitrogen fixers
Pathogenic bacteria
What are biofertilizers ? Give two examples.
How are microbes useful in biofertilisers ?
Due to which of the following organism, yield of rice is increased
Which of the following serve as biofertiliser in paddy fields?
The organisms which are used to enrich the nutrient quality of the soil are called