Concentration before planting (mg/kg) | |||||
Tails | Soil | ||||
Cu | Zn | Fe | Cu | Zn | Fe |
41.92 | 2.46 | 16.40 | 14.38 | 0.30 | 24.14 |
43.66 | 3.08 | 17.64 | 19.84 | 0.96 | 26.56 |
35.24 | 1.88 | 17.06 | 14.48 | 1.76 | 24.78 |
42.52 | 4.96 | 16.10 | 19.38 | 1.02 | 24.32 |
40.48 | 5.56 | 51.30 | 18.76 | 1.76 | 30.56 |
40.76 ± 3.29 | 3.58 ± 1.60 | 23.70 ± 15.44 | 17.37 ± 2.71 | 1.16 ± 0.62 | 26.07 ± 2.69 |