| 项目 | C | N | P | C:P | N:P | C:N |
| C | 1 |
|
|
|
|
|
| N | 0.555** | 1 |
|
|
|
|
| P | 0.366** | 0.293* | 1 |
|
|
|
| C:P | 0.552** | 0.324* | −0.475** | 1 |
|
|
| N:P | 0.104 | 0.581** | −0.530** | 0.682** | 1 |
|
| C:N | 0.253 | −0.567** | 0.023 | 0.335* | −0.087 | 1 |