Soil Pollution

Topics: Waste, Pollution, Soil Pages: 5 (1710 words) Published: December 2, 2010
What Is Soil Pollution?

Soil pollution comprises the toxic waste of soils with resources, mostly chemicals that are out of place or are present at concentrations advanced than normal which may have unpleasant effects on humans or other organisms. However, soil pollution is also caused by resources other than the undeviating addition of man-made chemicals such as undeveloped runoff waters, industrial waste materials, acidic precipitates, and radioactive clash. Both organic and inorganic contaminants are imperative in soil. Soil pollution is caused by the presence of synthetic chemicals or other modification in the natural soil background. This type of contamination normally arises from the split of underground storage links, use of pesticides, and percolation of polluted surface water to subsurface strata, oil and fuel dumping, leaching of wastes from landfills or direct discharge of industrial wastes to the soil. The most common chemicals involved are petroleum hydrocarbons, solvents, pesticides, lead and other heavy metals. This episode of this incident is linked with the degree of industrialization and intensities of chemical treatment. Soil pollution can lead to water pollution if poisonous chemicals percolate into groundwater, or if contaminated overflow reaches streams, lakes, or oceans. Soil also naturally contributes to air pollution by releasing likely to explode compounds into the atmosphere. The decay of untreated materials in soil can release sulfur dioxide and other sulfur compounds, causing acid rain. Heavy metals and other potentially toxic elements are the most grave soil pollutants in sewage. Sewage mud contains heavy metals and, if functional over and over again or in large amounts, the treated soil may build up heavy metals and as a result become not capable to even support plant life. In accumulation, chemicals that are not water soluble contaminate plants that grow on polluted soils. The greater than ever pollution of the atmosphere has been one of the greatest concerns for science and the universal public in the last fifty years. The brisk industrialization of agriculture, spreading out of the chemical industry, and the need to generate cheap forms of energy has caused the constant release of man-made organic chemicals into natural ecosystems. As a result, the atmosphere, bodies of water, and many soil environments have become contaminated by a large variety of toxic compounds. These include the hazard of acute toxicity, genetic changes, birth defects for humans and other organisms. Some of these artificial toxic compounds are also dead set against to substantial, chemical, or biological dreadful conditions and thus be a symbol of an ecological burden of considerable amount.

Effects Of Soil Pollution

Soil Pollution was in the beginning defined as the pollution of soil system where by noteworthy quantities of chemical or other substances, resulted in the turn down of its fertility or output with respect to the yield of crops. Soil pollution differs from water and air pollution, because the contaminants remain in direct contact with the soil for comparatively longer periods and hence change the chemical and genetic properties of soil. The harmful chemicals can also enter the human food chain from land or water plants. The major sources of pollution of soil include mining, mud, fertilizers, pesticides, composted town refuse etc. Fly ash generated from thermal power plants, industrial wastes dumped into surrounding land, mining wastes, non-biodegradable organic pollutants, and industrial sludge’s etc are the reasons which cause soil pollution. Commercial and domestic urban wastes consisting of dried sewage sludge as well as trash and debris materials such as plastics, metal cans, glasses, street sweepings, waste paper, fibers, rubber etc contribute to soil pollution. Effects of Soil Pollutants

Different types of soil pollutants have different effect on the nature of soil. Now let’s look into the...
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