explain short any three methods of soil conservation
Answers
Answer:
gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.
Answer:
1. Afforestation:
One of the best ways to conserve soil is to increase the area under forests. Undiscriminating trees cutting should be stopped and efforts should be made to plant trees in new areas. 20 to 25 per cent, as they say, is the minimum area of forest land for the whole country which is considered healthy for soil and water conservation. Nevertheless, 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. Checking Overgrazing:
Grazing is very important. But overgrazing of forests and grasslands by animals, especially by herds and flocks of sheep, goats, should be properly checked. One can earmark separate grazing grounds. Alternate fodder crops should be grown in larger quantities.
3. Constructing Dams:
One of the scientific methods to check soil erosion. Soil erosion which happens maximum by river floods can be avoided by constructing dams across the rivers. Water speed can be checked and it considerably saves soil from erosion.