Soil Remediation Practices for Hydrocarbon and Heavy Metal Reclamation in Mining Polluted Soils

Table 4

Comparison of Brassica juncea, tobacco compost, and chicken droppings.

Parameter (mg/kg)	Brassica juncea	Tobacco Compost	Chicken Droppings	Control Experiment
TPHs	903.7±44.4	1780.9±252.8	6969.8±214.7	0.549±0.2
Pb	11.88±0.45	16.95±0.37	13.89±0.43	0.048±0.025
As	0.389±0.436	0.213±0.009	0.623±0.053	0.001±0
Cd	0.273±0.095	0.013±0.001	1.277±0.155	0.001±0

Different superscripts indicate significant difference (p < 0.05). Similar superscripts indicate no significant difference (p > 0.05). SE: standard error.