Nutrients | Low | Moderate | High | Very high |
Total N (%) | 0.08 - 0.12 | 0.12 - 0.15 | 0.15 - 0.25 | >0.25 |
Available P (mg/kg) | 10 - 25 | 25 - 40 | 40 - 60 | >60 |
K (cmol/kg) | 0.08 - 0.20 | 0.20 - 0.25 | 0.25 - 0.30 | >0.30 |
Mg (cmol/kg) | 0.08 - 0.20 | 0.20 - 0.25 | 0.25 - 0.30 | >0.30 |