| Soil attributes | PC1 | PC2 | PC3 | PC4 | Communalities |
| Eigen values | 5.54 | 2.36 | 1.17 | 0.97 |
|
| Variance (%) | 46.17 | 19.67 | 9.79 | 8.11 |
|
| CV (%) | 46.17 | 65.84 | 75.63 | 83.74 |
|
| Factor loadings (Rotated component matrix) |
| ||||
| Sand (%) | −0.47 | −0.09 | 0.00 | −0.12 | 0.24 |
| Silt (%) | 0.61 | −0.10 | 0.00 | −0.20 | 0.43 |
| Clay (%) | 0.15 | 0.25 | 0.00 | 0.40 | 0.24 |
| AWC (%) | 0.51 | 0.05 | 0.03 | 0.09 | 0.27 |
| BD (g/cm3) | −0.19 | 0.28 | 0.46 | 0.38 | 0.47 |
| OC (%) | 0.02 | 0.55 | 0.00 | 0.01 | 0.30 |
| TN (%) | 0.02 | 0.54 | −0.03 | −0.02 | 0.30 |
| Av. K (cmol(+)/kg) | 0.10 | 0.35 | −0.03 | −0.39 | 0.29 |
| Av. P (cmol(+)/kg) | −0.07 | 0.15 | 0.16 | −0.67 | 0.50 |
| pH (1:2.5) | −0.20 | 0.04 | −0.64 | −0.02 | 0.45 |
| CEC (cmol(+)/kg) | −0.06 | 0.30 | −0.44 | 0.05 | 0.29 |