Table 2. Results of a two-way ANOVA for the effects of functional groups (G) and treatments (T) on the content of C, N and P and ratios of C:N, C:P, and N:P in an alpine grassland.
| Items | df | C content | N content | P content | C:N ratio | C:P ratio | N:P ratio | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F | P | F | P | F | P | F | P | F | P | F | P | ||
| Groups (G) | 3 | 3.35 | 0.046 | 66.79 | <0.001 | 22.01 | <0.001 | 43.58 | <0.001 | 28.14 | <0.001 | 0.68 | 0.577 |
| Treatments (T) | 1 | 0.75 | 0.401 | 0.70 | 0.416 | 4.09 | 0.040 | 0.10 | 0.757 | 2.31 | 0.147 | 1.99 | 0.178 |
| G × T | 3 | 0.38 | 0.767 | 7.61 | 0.002 | 4.00 | 0.026 | 5.36 | 0.010 | 3.31 | 0.047 | 5.80 | 0.007 |