What happens to tropical soils when the rainforest is cleared

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What happens to tropical soils when the rainforest is cleared ?

1. The soil improves to the extent that souble nutrients are no longer depleted by the trees
2. There is little effect on the soil because of its depth of richness
3. Clearing interrupts the critical nutrient cycle and leads to soil leaching
4. The soil stabilise and become excellent for grain crops

Correct Option: C

NA