Soil Pollution
Author
J C Calvet
Specifications
  • ISBN : 9789388902946
  • year : 2019
  • language : English
  • binding : Softcover
$ 42.00
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Description
Soil pollution is defined as the build-up in soils of persistent toxic compounds, chemicals, salts, radioactive materials or disease causing agents, which have adverse effects on plant growth and animal health. Soil is the thin layer of organic and inorganic materials that covers the earth’s rocky surface. The organic portion, which is derived from the decayed remains of plants and animals, is concentrated in the dark uppermost top soil. The inorganic portion made up of rock fragments, was formed over thousands of years by physical and chemical weathering of bedrock. Productive soils are necessary for agriculture to supply the world with sufficient food. Soil pollution is caused by the presence of man-made chemicals or other alteration in the natural soil environment.