| |
Control soil |
Natural attenuated soil |
Bioaugmented soil |
| Copper |
0.02 ± 0.00ab |
0.02 ± 0.00ab |
0.04 ± 0.01c |
| Lead |
ND |
0.08 ± 0.00b |
0.10 ± 0.01c |
| Chromium |
ND |
0.04 ± 0.00b |
0.06 ± 0.01c |
| Cadmium |
ND |
0.01 ± 0.00b |
0.02 ± 0.00c |
| Arsenic |
ND |
ND |
0.03 ± 0.00c |
|
| Values are Means ± standard deviations of triplicate determinations. Values in each row with different superscript letters differ significantly at 5% level (P < 0.05). |
| Table 4: Heavy metal content (g/100g) of Amarantus hybridus grown on crude oil post-remediated soil. |
