The reasons are: 1. The Top soil in most parts just simply lie on rocky surfaces and does not get firm grip on the rock. 2. In some other part, there is a layer of sand on the rocky surface. read more
There are many reasons for this excessive soil erosion. 1-DEFORESTAION=it is one of the major reason of soil erosion in most of the region. read more
And the Winds over there have high velocities, which will blow away all the fertile soil, it is also slopey, and makes it difficult for the soil to withstand all these conditions. Hence, Foothills of Himalayas are easily prone to soil erosion. read more
The top soil in most part just simply lie on rocky surfaces and doesnol get firm grip on the rock. 2. In some other part there is a layer of sand on the rocky surfaces this makes the soil above the layer of sand to slide dow. read more