<P> Rainfall , and the surface runoff which may result from rainfall , produces four main types of soil erosion : splash erosion , sheet erosion , rill erosion , and gully erosion . Splash erosion is generally seen as the first and least severe stage in the soil erosion process , which is followed by sheet erosion , then rill erosion and finally gully erosion ( the most severe of the four ) . </P>
what are the four types of soil erosion
splash erosion sheet erosion rill erosion gully erosion