Biofertilizers are those organisms which enrich the soil nutrients and increase the soil fertility. The extent of use of biofertilizers is debatable among the workers.
Discuss the bacteria and mycorrhyzae as biofertilizers.

Biofertilizers are those organisms which enrich the soil nutrients and increase the soil fertility. The extent of use of biofertilizers is debatable among the workers. Biofertilizers are said to be symbiotic associations.

Biofertilizers are those organisms which enrich the soil nutrients and increase the soil fertility. The extent of use of biofertilizers is debatable among the workers. Biofertilizers'use also reduces environmental pollution. How?

Biofertilisers are organisms that enrich the nutrient quality of the soil. Which one is not a source of biofertilisers?

How do biofertilizers enrich the fertility of soil ?