| Threshold | 0.485 | Site | Threshold | 0.400 | Site |
| Df | 13 | Df | 21 | ||
| Correlated variables | Coefficient correlation | Correlated variables | Coefficient correlation | ||
| L-PM | −0.531 | T | L-PM | −0.451 | C |
| MgO-P2O5 | −0.569 | A | K2O-Ash | 0.950 | A |
| K2O-P2O5 | 0.601 | N |
|
| L |
| P2O5-Ash | 0.712 | A |
|
| A |
| K2O-Ash | 0.906 |
|
|
|
|