Agriculture is closely associated with the survival of not only of human being but it influences other living organisms too. Soil provides necessary anchorage to the crop plants and a source of food and water as well. Since all animals depend on the plants for their livelihood. So, directly and indirectly they depends on the soil. It is obvious that, all agricultural activities directly or indirectly depend on the quality of soil. Natural soil is a mixture of several things like mineral matter, humus, water, air, animals and unicellular organisms including bacteria. Due to some manmade calamities this natural treasure, soil is becoming polluted and converting in to deserts. The percentage of fertile soil is decreasing day by day. With the help of different physical, chemical and Biological techniques, the polluted soil can be converted in to fertile one. In the present article different remediation methods are discussed.