write a note on various factors responsible for soil erosion
Answers
Answer:
soil erosion is caused by both physical & human factors. the physical factors include slope of land, intensity of rainfall and contribute to soil wind. the human factors that contribute to soil erosion are deforestation, over-grazing,overuse of chemical fertilisers , over-irrigation and unscientific farming methods.
Step-by-step explanation:
Answer:
Various agents, like wind, water, deforestation, overgrazing by cattle, etc., cause soil erosion. The various factors of soil erosion are:
Various agents, like wind, water, deforestation, overgrazing by cattle, etc., cause soil erosion. The various factors of soil erosion are:1. Wind
When strong winds blow, the topsoil along with the organic matter is carried away by the wind.
2. Water
When it rains in the hilly areas, the soil gets washed away towards the plains. The running water deposits the mineral-rich soil in the riverbed and over the years this deposition of soil can change the course of the river.
3.Overgrazing
When cattle are allowed to graze on the same field repeatedly,makes the topsoil vulnerable to wind and flowing water, leading to soil erosion.
4. Deforestation
The roots of trees hold the soil together, thus preventing the soil from getting uprooted. When large areas of the forest are cleared, the topsoil gets eroded by wind and flowing water.
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