Question

what is soil erosion and soil pollutio and how can we prevent it?​

Answer 1

Answer:

Prevention of soil pollution can be done by (i) use of manures instead of synthetic fertilisers. (ii) use of natural pesticides. ... (iv) industrial waste should be treated before release in soil. Prevention of soil erosion can be done by (i) afforestation that is large scale planting in place of cut down forests.

Explanation:

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Answer 2

Answer:

SOIL POLLUTION

1. The persistent build-up of toxic compounds in the soil is defined as soil pollution. 

PREVENTION OF SOIL POLLUTION

To prevent soil pollution, its causes must be controlled.

1. Reduce the use of plastics: Plastics and polythene bags destroy the fertility of the soil. Hence, these should be disposed off properly and if possible, their use should be avoided.

2. Industrial pollutants: Some waste products from industries and homes pollute the soil. These pollutants should be treated chemically to make them harmless before they are disposed off.

3. Insecticides: Other pollutants of soil include pesticides and insecticides. 

4. Use manures instead of chemical fertilizers.