Soil Pollution

Soil Pollution Synopsis

Soil pollution is defined as the build-up in soils of persistent toxic compounds, chemical salts, radioactive materials or disease causing agents, which have adverse affects on plant growth and animal health. Soil is the thin layer of organic materials that covers the earth's rocky surface. The organic portion, which is derived from the decayed remains of plants and animal, 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.