| Soil properties | Component | |||
| 1 | 2 | 3 | 4 | |
| (Al3+ + H+) | 0.971 |
|
|
|
| pH-H2O (20 - 40 cm) | −0.950 |
|
|
|
| ECEC (0 - 20 cm) | 0.932 |
|
|
|
| pH-KCl (20 - 40 cm) | −0.884 |
|
|
|
| Coarse sand (0 - 20 cm) | −0.793 |
|
|
|
| CEC (0 - 20 cm) | 0.674 |
| 0.334 |
|
| OC (20 - 40 cm) | 0.610 |
| 0.336 | 0.306 |
| OC (0 - 20 cm) | 0.575 |
| 0.397 |
|
| BS (0 - 20 cm) |
| 0.962 |
|
|
| Ca2+ (0 - 20 cm) |
| 0.806 | 0.344 |
|
| Mg2+ (0 - 20 cm) | 0.410 | 0.766 |
|
|
| pH-KCl (0 - 20 cm) |
|
| 0.829 |
|
| P. elata stems | 0.307 |
| −0.608 | −0.386 |
| Silt (0 - 20 cm) |
|
|
| 0.902 |