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Soil Pollution

Alteration in soil by addition and removal of materials leading to reduce productivity is called soil pollution.

Soil Pollutants
Substances which reduce productivity of the soil are regarded as soil pollutants.


Types of Soil Pollutants
Many materials adversely affect the physical, chemical and biological properties of the soil and reduce its productivity. These include chemicals, pesticide, fertilizers, radioactive wastes and discarded materials.


Effects of Soil Pollutants

i) The chemicals and pesticides may also make the soil toxic for plant growth . The use of inorganic fertilizers in the long run spoils the quality of the soil crops, livestock and humans via food chains.

ii) Use of human and animal excreta as a manure pollutes the soil besides promoting crop yield.

Biological pollutants play only a minor role in changing soil


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