Write a note on various factors responsible for soil erosion. for class 5
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Answer:
Human Factors Responsible for Soil Erosion are 1. Deforestation, 2. Overgrazing, 3. ... Apart from the natural factors such as torrential rainfall, resulting in swift flow of water, strong winds in dry areas, nature of soil and the physiography, man is an important factor responsible for soil erosion.
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Answer:
Various factors responsible"
1. Deforestation:
With the increase in population, the pressure on forest resources is increasing with each passing day. This has resulted in reckless cutting of forests which has led to the problem of soil erosion. Roots of trees and plants bind the soil particles and regulate the flow of water, thus saving soil from erosion.
Therefore, deforestation invariably results in floods and soil erosion. The large scale damage to soil in Shiwalik range, the Chos of Punjab, parts of Haryana and the ravines of Madhya Pradesh, Uttar Pradesh and Rajasthan is largely due to deforestation.
2. Overgrazing:
Forests and grasslands provide much needed fodder for animals. During the rainy season, there is plenty of growth and animals get enough fodder. But during the long dry period, there is shortage of fodder and the grass is grazed to the ground and tom out by the roots by animals.
3. Faulty Methods of Agriculture:
Much of the soil erosion in India is caused by faulty methods of agriculture. The most outstanding are wrong ploughing, lack of crop rotation and practice of shifting cultivation. If the fields are ploughed along the slope, there is no obstruction to the flow of water and the water washes away the top soil easily. In some parts of the country, the same crop is grown year after year which spoils the chemical balance of the soil. This soil is exhausted and is easily eroded by wind or water.