Treatment | THs (g l− 1) | THs (g l− 1) | THs (g l− 1) |
|---|
| | Day 0 | Day 30 | Day 60 |
|---|
C1 | ND | ND | ND |
C2 | 20 | 18.3 (0.46)e | 16.8 (0.42)f |
T1 | 20 | 14.6 (0.76)d | 13.3 (0.69)e |
T2 | 20 | 11.2 (0.75)c | 5.6 (0.38)c |
T3 | 20 | 3.4 (0.57)a | 1.7 (0.57)a |
T4 | 20 | 13.4 (0.27)d | 6.4 (0.27)d |
T5 | 20 | 8.4 (0.47)b | 3.9 (0.13)b |
T6 | 20 | 1.7 (0.35)a | 0.6 (0.11)a |
- Control (C1) mesocosm with vegetation and without crude oil and bacterial inoculation, control (C2) mesocosm without vegetation and bacterial inoculation, crude oil spiked CWs with T. latifolia vegetation and without bacterial augmentation (T1), crude oil spiked CWs vegetated with T. latifolia and inoculated with the bacteria (T2), crude oil spiked CWs vegetated with T. latifolia and inoculated with the bacteria and supplied with nutrients, surfactant and aeration (T3), crude oil spiked CWs vegetated with C. laevigatus and without bacteria(T4), crude oil spiked CWs vegetated with C. laevigatus and inoculated with the bacteria (T5), crude oil spiked CWs vegetated with C. laevigatus and inoculated with the bacteria and supplied with nutrients, surfactant and aeration (T6). The same letters are not significantly different at a 5% level of significance, n = 3; the standard error of three replicates is given in parenthesis. Where ND is not detected
