The fertility of soils under forest is sustained mainly by
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Correct Answer: Option A
Explanation:
Nutrient recycling is the main mechanism sustaining soil fertility under forest. Fallen leaves, branches, and other organic matter decompose on the forest floor, releasing nutrients back into the soil. This continuous cycle of nutrient uptake by plants and return through decomposition maintains soil fertility without external inputs.
Nutrient recycling is the main mechanism sustaining soil fertility under forest. Fallen leaves, branches, and other organic matter decompose on the forest floor, releasing nutrients back into the soil. This continuous cycle of nutrient uptake by plants and return through decomposition maintains soil fertility without external inputs.