Table 3.
Chemical composition of standard nutrient solution, peat soil and the applied treatments. The values in parentheses represent standard errors (n = 3).
| Nutrient Solution | Concentration | Peat Soil |
|---|---|---|
| pH | 6.5(±0.1) | 5.23 (±0.2) |
| OM | 902 (±61) g/kg | |
| EC | 1.7(±0.1) dS/m | |
| NO3− | 10 mM | |
| H2PO4− | 1.5 mM | |
| K+ | 7.5 mM | |
| Ca2+ | 2.0 mM | |
| Mg2+ | 2.0 mM | |
| SO42− | 2.0 mM | |
| Fe | 15 µM | |
| Mn | 10 µM | |
| Total Cu | 10 µM | 12.9 (±0.06) mg/kg |
| B | 5 µM | |
| Total Zn | 0.7 µM | 14.7 (±0.04) mg/kg |
| Mo | 0.7 µM | |
| Total Cd | 0.33 (±0.01) mg/kg | |
| Salinity treatment | 0 (NaCl0), 20 (NaCl20), 40 (NaCl40) and 60 (NaCl60) mM NaCl | |
| Cd treatment | 0.33 (±0.01; Cd0), 2.5 (±0.15; Cd2.5) and 5.0 (±0.20; Cd5.0) mg/kg |