What are biofertilisers?

What are biofertilisers?
  1. Chemicals used in organic farming
  2. Synthetic fertilisers
  3. Organisms that enrich the nutrient quality of soil
  4. Pesticides

Solution

Biofertilisers are organisms that enrich the nutrient quality of soil, including bacteria, fungi and cyanobacteria.

Asked in: NCERT

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