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