Answer:
The various techniques of preventing soil erosion are: Contour farming on gentle slopes when crops are grown across the slopes. Terracing or steps could be made on steeper slopes as these retain water and control run-off. Afforestation by planting trees. They also act as wind breakers. Mulching - by covering bare ground between plants with layers of straw helps in retaining soil moisture. Rock dams - Rocks are piled along steeps slopes to slow down the flow of water, it prevents soil loss and formation of gullies.
You need to login to perform this action.
You will be redirected in
3 sec
