Over-all mineral level of soil recedes due to:
Correct answer: C. Both (a) & (b)
- A. Leaching only
- B. Utilization by plants
- C. Both (a) & (b)
- D. Chemical reactions
Explanation
Soil minerals decline when plants remove nutrients for growth and when water leaches soluble nutrients below the root zone. Since both processes contribute, the combined option is required.
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Practise Forest Ecology
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