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