Introduction
Soil is the dumping ground of most of the waste products - domestic, human, animal, industrial and agricultural. Every year the solid wastes dumped into the soil are increasing at an alarming rate all over the world.
Large number of hazardous chemicals and several thousand tons of wastes are ultimately dumped on the land. These are leached by municipal and industrial wastes and are responsible for pollution of ground water (also see sec. 6.3.1). The problem of soil pollution is compounded by the use of agrochemicals, e.g., pesticides, fungicides, bactericides, insecticides, biocides, fertilizers and manure. Besides these, the soil is polluted by deadly pathogenic organisms. The soil pollution differs from air and water pollution in the sense that the pollutants in soil remain in direct contact with the soil for relatively longer periods. In fact, the soil has been heavily polluted as a result of industrial revolution and green revolution. Basically humans are responsible for the pollution of land.9.2
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