Measures of soil conservation
Answers
Measures to conserve soil are as follow:-
1) Afforestation- Increase in area under forest is the best way to conserve soil. Indiscriminate felling of trees should be stopped and efforts should be made to plant trees in new areas. A minimum area of forest land for the whole country that is considered healthy for soil and water conservation is between 20 to 25 per cent but it was raised to 33 per cent in the second five year plan; the proportion being 20 per cent for the plains and 60 per cent for hilly and mountainous regions.
2) Constructing Dams- Much of the soil erosion by river floods can be avoided by constructing dams across the rivers. This checks the speed of water and saves soil from erosion.
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Answer:
The following are the measures for soil conservation:
1. Crop rotation- It is the process of planting different crops sequentially on the same plot of land to improve soil health, optimize nutrients in the soil and combat pest and weed pressure.
2. Strip cropping- Parallel to one another, crops may be cultivated in alternate strips. Some strips may be allowed to lie fallow while in others different crops may be sown.
3. Contour Ploughing- Ploughing is done at right angles to the hill slope, following the natural contours of the hill. It makes the ridges and furrows break the flow of water down the hill. As gullies are less, this prevents excessive soil loss.
4. Terrace cultivation- It is done by cutting hill slope into a number of terraces having horizontal top and steep slopes on the back and front.
Explanation:
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