| 变异来源 Source of variation | 指标 Index | 自由度 Degree of freedom | 均方 Mean square | F值 F value | P值 P value |
|---|---|---|---|---|---|
| 土地利用方式 | pH | 2 | 0.453 | 14.576 | <0.001 |
| SOM含量 | 2 | 1.187 | 0.514 | 0.605 | |
| TN含量 | 2 | 0.006 | 1.236 | 0.306 | |
| AP含量 | 2 | 334.044 | 97.831 | <0.001 | |
| AK含量 | 2 | 3395.311 | 13.278 | <0.001 | |
| BD | 2 | 0.043 | 15.987 | <0.001 | |
| Pt | 2 | 2.232 | 0.489 | 0.619 | |
| Cp | 2 | 5.014 | 1.027 | 0.372 | |
| Ncp | 2 | 0.452 | 4.807 | 0.016 | |
| 土层深度 | pH | 2 | 0.221 | 7.117 | <0.001 |
| SOM含量 | 2 | 178.063 | 77.083 | <0.001 | |
| TN含量 | 2 | 0.265 | 55.229 | <0.001 | |
| AP含量 | 2 | 220.878 | 64.688 | <0.001 | |
| AK含量 | 2 | 10 317.288 | 40.349 | <0.001 | |
| BD | 2 | 0.025 | 9.088 | 0.001 | |
| Pt | 2 | 59.057 | 12.929 | <0.001 | |
| Cp | 2 | 58.904 | 12.067 | <0.001 | |
| Ncp | 2 | 0.374 | 3.969 | 0.031 | |
| 土地利用方式×土层深度 | pH | 4 | 0.144 | 4.637 | 0.006 |
| SOM含量 | 4 | 7.899 | 3.419 | 0.025 | |
| TN含量 | 4 | 0.012 | 2.417 | 0.073 | |
| AP含量 | 4 | 84.701 | 24.806 | <0.001 | |
| AK含量 | 4 | 1295.628 | 5.067 | 0.001 | |
| BD | 4 | 0.011 | 4.070 | 0.01 | |
| Pt | 4 | 20.374 | 4.461 | 0.007 | |
| Cp | 4 | 24.258 | 4.969 | 0.004 | |
| Ncp | 4 | 0.416 | 4.425 | 0.007 |