how can we prevent soil pollution
Answers
Answer:
Reuse and Recycle. Contribute less waste to help prevent soil pollution. Purchase glass and other reusable containers instead of throwing away plastic or paper regularly. Recycle paper and plastic through your local waste management company to reduce the amount of waste that is sent to a landfill.
Answer:
Explanation:
(A) Biological method –
(i) Crop related (ii) Forestry related.
(i) Crop related:
Crop rotation – It implies frequent succession of crop on the same portion of land in a given time-frame. Crop mixes such as wheat+mustard, Arhar+ Groundnut, maize+ cowpea etc., can be grown. Thus, after a harvest of one crop there is another growing up or covering the soil so that the soil is never bare or exposed.
Planting along the contours – Leguminous plants, cowpea and cereal crops can be grown in a particular way to check soil erosion. This helps farmers get maximum profit with least investment and increases the fertility of the soil.
Strip cropping – This reduces the velocity of water flow and prevents erosion.
Steep farming – This prevents erosion by reducing sludge. This leads to the use of hilly land for cultivation.
Crop Residues – By laying a thin layer of 10-15 cm of crop residues in farming, erosion and vaporization can be prevented. With this method, Rabi crop can be increased up to 30 percent. After a crop we should leave the stubble in the field. Then untimely rains and wind don’t destroy much.
Protector Belt – By planting trees and bush in the right angle, depending on the direction of wind along the fields, the erosion caused by wind can be stopped.
Use of fertilizers – Use of dung manure, clarinet or compost, green manure and other organic composts reduce soil erosion.
Forests are very helpful in preventing soil erosion. There are two functions under this-
First, develop forests in new areas for increasing the soil fertility and formation. This reduces the erosion of rain water and air.
Second, new forestry should be adopted where there is excessive pollution of forests, excessive animal feed and surface degradation.
(B) Mechanical method
This method is relatively expensive but effective too.