Question

is a soil erosion? how can it be avoided?

Answer 1

The washng away of top soil is known as the soil erosion... It can be avoided by various methods such as conter farming
step farming... planting tress etc

hope it helps!!!

Answer 2

depletion of the top layer of the soil by different agents of weathering is known as soil erosion.

measures to avoid soil erosion -

1.by afforestation and reafforestation
 
2.Crop rotation is cultivation of different crops in succession on the same area of land over a period of time. It maintains the fertility of the soil and the water-holding capacity of the soil. In this way it prevents soil erosion.

3. Strip-cropping is the planting of crops in rows or strips to check flow of water.
 

 hope this helps u......