Question

what is soil erosion? what are the main causes of soil erosion​

Answer 1

Soil erosion is defined as the wearing away of topsoil. Topsoil is the top layer of soil and is the most fertile because it contains the most organic, nutrient-rich materials. Therefore, this is the layer that farmers want to protect for growing their crops and ranchers want to protect for growing grasses for their cattle to graze on.

CAUSES:-

Due to human activities like deforestation, overgrazing, construction and mining, etc.

Natural forces like wind, glacier and water leads to soil erosion.

The running water cuts through clayey soils and makes deep channels as ‘gullies’. The land becomes unfit for cultivation, this process is called gully erosion and the land is called bad land or ravines in the Chambal basin.

Sometimes, water flows as a sheet over large areas down a slope. It leads to the washing away of the top soil. This process is called sheet erosion.

Wind blows loose soil off flat or sloping land, and is called wind erosion.

Soil erosion is also caused due to defective methods of farming.

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Answer 2

what is soil erosion? what are the main causes of soil erosion?

Ans -- Soil erosion is the displacement of the upper layer of soil one form of soil degradation. The natural process is caused by the dynamic activity of erosive agent,that is,water,ice,snow,air,plants,animal and human.

and there it's cause -----

1)soil texture

2)ground slope

3)intensity and amount of rainfall

4)mismanaged utilization of soil resources

5)distribution of rainfall and landscape

6)deforestation