1.

How do biofertilisers enrich the fertility of the soil?

Answer»

Biofertilisers are micro-organisms which increases soil fertility and enhances nutrients to crop plants.

  • Nitrogen fixing bacteria and Cyano bacteria Converts free N2 from atmosphere to salts of N2.
  • Phosphate bacteria – Secrete phosphatase that dissolves insoluble phosphate from soil for absorption by plants.
  • Mycorrhiza – occurs in forest plants solubilizes and absorbs nutrients from organic matter


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