From: Phytoremediation of some heavy metals in contaminated soil
Treatment | Second planting season (flax) | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Soil additive | Foliar spraying | Shoot | Root | Whole plant | Soil after second planting | Remediated fraction | Remediation (%) | Double season phytoremediation (%) | BCF shoot | BCF root | BCF whole plant |
Sulfur | Humic acid | 16.31k | 58.51c | 74.81f | 341.61g | 182.81i | 33.58k | 56.15e | 0.048h | 0.171c | 0.219d |
Sulfur | Gibberellin | 39.11a | 114.81a | 153.92a | 267.75l | 318.96a | 54.36a | 65.63a | 0.146a | 0.429a | 0.575a |
Sulfur | Control | 33.48b | 45.88f | 79.35e | 367.81e | 224.36f | 37.89i | 52.79g | 0.091c | 0.125e | 0.216e |
Compost | Humic acid | 30.88d | 49.17e | 80.04d | 315.51j | 224.96f | 41.62e | 59.50c | 0.098b | 0.156d | 0.254c |
Compost | Gibberellin | 13.63l | 26.99l | 40.62l | 336.11h | 209.96g | 38.45h | 56.86e | 0.041i | 0.080i | 0.121l |
Compost | Control | 21.59j | 30.56k | 52.14k | 410.91b | 243.96e | 37.25j | 47.26j | 0.053g | 0.074j | 0.127k |
Control | Humic acid | 26.71g | 98.01b | 124.71b | 390.91c | 260.31d | 39.97f | 49.82h | 0.068f | 0.251b | 0.319b |
Control | Gibberellin | 32.82c | 30.98j | 63.79g | 370.11d | 308.95b | 45.50b | 52.49g | 0.089d | 0.084i | 0.172j |
Control | Control | 23.38i | 40.15g | 63.52h | 354.41f | 291.76c | 45.15c | 54.51f | 0.066f | 0.113g | 0.179i |
Vermiculite | Humic acid | 25.28h | 32.49h | 57.77j | 312.91k | 223.91f | 41.71d | 59.83b | 0.081e | 0.104h | 0.185h |
Vermiculite | Gibberellin | 29.49e | 58.33d | 87.81c | 435.31a | 149.21j | 25.53l | 44.12i | 0.068f | 0.134f | 0.202f |
Vermiculite | Control | 29.16f | 32.22i | 61.37i | 322.3i | 202.11h | 38.54g | 58.63d | 0.090c | 0.100h | 0.190g |
Mean | 26.82 | 51.51 | 78.32 | 352.14 | 236.77 | 39.96 | 54.80 | 0.078 | 0.152 | 0.230 | |
Minimum | 13.63 | 26.99 | 40.62 | 267.75 | 149.21 | 25.53 | 44.12 | 0.041 | 0.074 | 0.121 | |
Maximum | 39.11 | 114.81 | 153.92 | 435.31 | 318.96 | 54.36 | 65.63 | 0.146 | 0.429 | 0.575 |