How does water erosion affect humans?

Another way that erosion can affect us is in the erosion of topsoil--modern farming methods (like plowing the ground with tractors) can lead to soil being blown away by the wind or being carried into rivers when it rains, and this is a problem because soils form very slowly and in many places soil formation can't keep ...

Topsoil will move (if fertilizer is used) it could destroy plants