| Variables | Factor 1 | Factor 2 | Factor 3 |
| Pb | 0.84 |
|
|
| Cd |
|
| 0.60 |
| Fe |
| 0.43 |
|
| Mn |
| 0.32 |
|
| Cu | 0.64 |
|
|
| Cr | 0.65 |
|
|
| Zn | 0.37 |
|
|
| CEC | 0.65 |
|
|
| pH | 0.68 |
|
|
| TDS | 0.65 |
|
|
| EC | 0.64 |
|
|
| Q | 0.19 |
|
|
| K | 0.57 |
|
|
| Calcite | 0.40 |
|
|
| Dolomite |
| 0.29 |
|
| Variability % | 30.4 | 18.2 | 14.7 |
| Cumulative % | 30.4 | 48.6 | 63.44 |