In which of the soil layer does most biological activity occur?
AGRICULTURE
JAMB 2016
In which of the soil layer does most biological activity occur?
- A. B - horizon
- B. C - horizon
- C. D - horizon
- D. A - horizon
Correct Answer: D. A - horizon
Explanation
A - horizon is the top layer of the soil horizon, it contains decomposed organic matter which is necessary for plant growth and also microorganisms
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