Table 1 Basic characteristics of copper tailings in this study.
Categories | Units | Mean ± standard deviation (n = 3) |
|---|---|---|
pH (soil:water = 1:2.5) | (–) | 9.01 ± 0.02 |
Electrical conductivity | µS cm-1 | 112.47 ± 17.34 |
Water content | % | 4.51 ± 0.38 |
Cation exchange capacity | cmol kg-1 | 3.01 ± 0.19 |
Soil organic matter | g kg-1 | 9.62 ± 0.24 |
Total nitrogen | g kg-1 | 0.08 ± 0.01 |
Total phosphorus | g kg-1 | 0.87 ± 0.03 |
Total potassium | g kg-1 | 16.11 ± 1.54 |
Available nitrogen | mg kg-1 | 20.00 ± 10.00 |
Available potassium | mg kg-1 | 78.13 ± 16.78 |
Available phosphorus | mg kg-1 | 4.06 ± 0.57 |
Copper (Cu) | mg kg-1 | 837.56 ± 98.76 |
Cadmium (Cd) | mg kg-1 | 0.33 ± 0.02 |
Lead (Pb) | mg kg-1 | 23.95 ± 3.80 |
Zinc (Zn) | mg kg-1 | 81.80 ± 12.34 |
