From: Phytoremediation of some heavy metals in contaminated soil
Treatment | First planting season (kenaf) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Soil additive | Foliar spraying | Shoot | Root | Whole plant | Initial soil | Soil after first planting | Remediated fraction | Remediation (%) | BCF shoot | BCF root | BCF whole plant |
Sulfur | Humic acid | 37.56a | 133.61a | 171.17a | 779.06 | 514.31l | 264.75a | 33.98a | 0.073a | 0.260a | 0.333a |
Sulfur | Gibberellin | 31.36j | 126.49b | 157.85c | 586.71f | 192.35g | 24.69f | 0.053f | 0.216c | 0.269d | |
Sulfur | Control | 32.71g | 121.39e | 154.10e | 592.16e | 186.90h | 23.99g | 0.055e | 0.205d | 0.260e | |
Compost | Humic acid | 34.56d | 78.99g | 113.55g | 540.46i | 238.60d | 30.63d | 0.064b | 0.146e | 0.210f | |
Compost | Gibberellin | 31.70i | 76.92h | 108.62h | 546.06h | 233.00e | 29.91e | 0.058d | 0.141f | 0.199g | |
Compost | Control | 32.95f | 71.65i | 104.60j | 654.86b | 124.20k | 15.94j | 0.050h | 0.109g | 0.160h | |
Control | Humic acid | 34.87c | 69.69j | 104.56i | 651.21c | 127.85j | 16.41i | 0.054e | 0.107h | 0.161h | |
Control | Gibberellin | 35.33b | 65.63l | 100.96l | 679.06a | 100.00l | 12.84k | 0.052g | 0.097g | 0.149i | |
Control | Control | 34.48e | 68.56k | 103.04k | 646.16d | 132.90i | 17.06h | 0.053f | 0.106h | 0.159h | |
Vermiculite | Humic acid | 31.99h | 123.19d | 155.18d | 536.81j | 242.25c | 31.10c | 0.060c | 0.229b | 0.289b | |
Vermiculite | Gibberellin | 30.27k | 125.39c | 155.66b | 584.51g | 194.55f | 24.97f | 0.052g | 0.215c | 0.266d | |
Vermiculite | Control | 30.07l | 112.29f | 142.36f | 524.41k | 254.65b | 32.69b | 0.057d | 0.214c | 0.271c | |
Mean | 33.15 | 97.82 | 130.97 | 588.06 | 191.00 | 24.52 | 0.057 | 0.170 | 0.227 | ||
Minimum | 30.07 | 65.63 | 100.96 | 514.31 | 100.00 | 12.84 | 0.050 | 0.097 | 0.149 | ||
Maximum | 37.56 | 133.61 | 171.17 | 679.06 | 264.75 | 33.98 | 0.073 | 0.260 | 0.333 |