The highly degraded organic matter rich in phosphorus, nitrogen and potassium in particular, resulting from the activity of earthworms is called
A. Compost bedding
B. Humus
C. Worm casting
D. Vermicompost
Answer:D
The highly degraded organic matter rich in phosphorus, nitrogen and potassium in particular, resulting from the activity of earthworms is called
A. Compost bedding B. Humus C. Worm casting D. Vermicompost