pesticides on land, petrochemical spillages, etc. lead to an increase in the number of heavy
metals in the soil, thereby causing soil contamination. Similar to air and water contamination,
soil contamination also has a severe impact on the ecological balance. Iron, chromium, zinc,
copper, lead, cadmium, and mercury are the major heavy metal pollutants found in the
contaminated soil. The existence of these toxic metal traces in the soil prevents the …