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What is meant by soil erosion |
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Answer» The removal of top layer of soil is called soil erosion The removal of the top layer of the soil. The removal of soli form land is known as soil erosion Denudation of the soil cover and subsequent washing down is known as soil erosion.Causes of soil erosion:\tDue to human activities like deforestation, overgrazing, construction and mining, etc.\tNatural forces like wind, glacier and water leads to soil erosion.\tThe 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.\tSometimes, 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.\tWind blows loose soil off flat or sloping land, and is called wind erosion.\tSoil erosion is also caused due to defective methods of farming. The removal of top layer of soil is known as soil erosion. |
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