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The increase in concentration of salts in soil which are soluble lead to the process of salination. It depends on many factors. The poor drainage of soil leads to the accumulation of salts on the surface of soil. It may happen during the flood. The ...

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There are many factors which control the soil pollution. It includes the limited use of fertilizers and pesticides. The biological control method must be known and implemented. The grazing must be controlled and forest management should be done properly. The afforestation and reforestation must be ...

There are many ways by which the recycling of wastes must be done. It includes the use of paper which can be recycled, old newspapers and magazines are used by mills. They are used to make new papers. The agricultural waste of certain crops like ...

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In the positive soil pollution there occur an overuse of chemical fertilizers, air pollutants and pesticides along with herbicides and fumigants. The air pollutants have the ability to move down with the rain. The pesticides and weedicides are defined as the chemicals which have the ...

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The soil pollution is defined as the presence of materials in the soil which are harmful to the living beings when they cross their threshold concentration levels. In this case the factors or substances which affect the soil are not static. It can be positive ...

Water pollution can be controlled in the multiple ways. It is best controlled by the dilution of water. The pollutants must be treated chemically and must be converted into the non toxic substances. The low level of radioactive wastes in the water is removed by ...

The waste water can be treated mainly by the three stages which involve the primary, secondary and tertiary stage. The primary stage involves the process in which sewage is passed through the screens and settling tanks. They remove the solid and organic matter along with ...

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There are different degrees of the water impurity. It can be due to the different organisms which differ in the tolerance level of temperature, ph, oxygen, calcium and phosphorous content. It also involves the organic matter, poisons and some pollutants. There are certain fishes known ...

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