HORTICULTURE

Detailed explanation-1: -The correct answer is Afforestation. Afforestation is not a cause of soil erosion.

Detailed explanation-2: -In his studies, Wheeting found natural amounts of soil erosion helped feed water sources with essential nutrients, helping the local aquatic ecosystem. The erosion also helped cleanse the soil of any useless materials, such as rotting tree matter or nutrient-less dirt from the area.

Detailed explanation-3: -Afforestation is the establishment of a forest or stands of trees in an area where there was no previous tree cover. Planting of trees helps prevent soil erosion since plants and trees’ roots hold the soil together and also slow down the speed of flowing water that might erode the soil.