Vermicompost is biofertilizer rich in
Options
(a) Phosphours
(b) Calcium
(c) Nitrogen
(d) Phosphours& Calcium & Nitrogen
Correct Answer:
Phosphours& Calcium & Nitrogen
Explanation:
Vermicomposting is the composting of organic residues with the help of earthworms. Earthworms excreta is rich in P, K, Ca and Mg