Question

How does deforestation affect soil fertility?

Answer 1

Fewer trees result in more soil erosion . Removal of top layer of the soil exposes the lower hard and rocky layer .This soil had less humse and less fertile

Answer 2

Deforestation means cutting of trees. In the absence of trees, the rain water will hit the ground directly and this may cause floods in the surrounding areas. The roots of the trees help to bind the soil together. ... So due to soil erosion, soil fertility will decrease