Table 2. A three-way ANOVA table describing the effects of species identity, competition with A. petiolata, soil history and their interactions on dry mass of competitor species.
| Source | Type III sums of squares | df | Mean square | F | P |
|---|---|---|---|---|---|
| Species | 1141.51 | 26 | 43.90 | 66.78 | 5.29 × 10−144 |
| Soil history | 1.41 | 1 | 1.41 | 2.14 | 0.144 |
| Competition | 209.97 | 1 | 209.97 | 319.38 | 1.57 × 10−55 |
| Species ∗ Soil history | 32.20 | 26 | 1.24 | 1.88 | 0.006 |
| Species ∗ Competition | 141.18 | 26 | 5.43 | 8.26 | 1.76 × 10−25 |
| Soil history∗ Competition | 45.14 | 1 | 45.14 | 68.65 | 1.10 × 10−15 |
| Species ∗ Soil history ∗ Competition | 68.44 | 26 | 2.63 | 4.00 | 4.42 × 10−10 |
| Error | 326.75 | 497 | 0.66 |