Table 1.
Selected physiochemical properties of the greenhouse treatment soils.
| Soil type | pH | TOC (%) | Sand (%) | Silt (%) | Clay (%) | Conductivity | PO4 (mg/kg) | SO4 (mg/kg) |
|---|---|---|---|---|---|---|---|---|
| MiracleGro™ Soil Mix | 6.7 ± 0.04 | 26.5 ± 5.36 | —— | —— | —— | 4.26 ± 0.26 | 96.7 ± 2.28 | 205 ± 13.7 |
| T1a | 7.7 ± 0.08 | 4.62 ± 0.19 | 73.5 ± 1.28 | 15.3 ± 1.11 | 11.2 ± 0.21 | 3.43 ± 0.02 | <10 | 390 ± 11.5 |
| T2b | 7.4 ± 0.01 | 5.44 ± 0.40 | 75.2 ± 1.98 | 16.5 ± 1.41 | 8.39 ± 0.64 | 4.22 ± 0.15 | <10 | 1480 ± 78.6 |
| T3c,d | 6.6 ± 0.33 | 5.76 ± 0.48 | 75.2 ± 1.98 | 16.5 ± 1.41 | 8.39 ± 0.64 | 5.42 ± 0.65 | <10 | 2062 ± 40.5 |
a
T1 = greenhouse treatment 1.
b
T2 = greenhouse treatment 2.
c
T3 = greenhouse treatment 3.
d
T3 is T2 soils with 10% mine tailings added.