the carrying away of the top fighter layer of soil by agents like wind and water is called soil erosion.
the top layer of the land has to be prevented from being eroded by natural force like strong winds or rain water this is done by planting more trees and making burns on the farm to prevent flow of soil during the rainy season.
how to prevent soil from Soil Erosion -:
afforestation - the best way to reduce our prevent soil erosion is by planting tree in large number the roots of tree hold the soil together plant also act as barrier for fast moving by they slow down the speed of wind.
construction of dam - it control flood.
terrace farming-: it is an effective way to minimise soil erosion in hilly area it is done by making step on hill slopes this reduce the speed of flowing water down The hills has reducing soil erosion.