Table 1 Comparison of physicochemical characteristics of the collected soil samples
Parameter | Concentration for polluted soil (IES) | Concentration of pristine soil (ICES) |
|---|---|---|
pH | 7.8 | 6.5 |
Electrical conductivity (μS/cm) | 2020 | 105 |
Total organic carbon (%) | 0.80 | 0.60 |
Total petroleum hydrocarbon (mg/kg) | 7591 | 199.70 |
Polycyclic aromatic hydrocarbon (mg/kg) | 26.12 | 2.76 |
Moisture content (%) | 30.00 | 26.00 |
Nitrate (mg/kg) | 1.30 | 10.80 |
Phosphate (mg/kg) | 1.01 | 11.60 |
Zinc (mg/kg) | 5.50 | 0.66 |
Potassium (mg/kg) | 26.70 | 26.70 |
Lead (mg/kg) | 48.70 | 0.09 |
Nickel (mg/kg) | 0.07 | < 0.05 |