Question

9. Explain how soil pollution and soil erosion could be prevented.​

Answer 1

Explanation:

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Answer 2

Prevention of soil pollution can be done by

1. use of manures instead of synthetic fertilisers.
2. use of natural pesticides.
3. avoid dumping of polythene and plastics in soil

Prevention of soil erosion:

1. Plant trees on barren lands to limit erosion of soil
2. .Add mulch and rocks to prevent the plants and grass underneath to prevent soil erosion.
3. Mulch matting can be used to reduce erosion on the slopes.
4. Put a series of fibre logs to prevent any water or soil from washing away.
5. A wall at the base of the slope can help in preventing the soil from eroding
6. Every household should have a proper drainage system so that water flows down into proper water collecting systems.

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