| Variables | Tr | Y | Tr*Y | HD-LD | Y | HD-LD *A |
| Whole-plots | ||||||
| Sown species | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Colonising species colonizadoras | 0.129 | 0.000 | 0.614 | 0.420 | 0.000 | 0.871 |
| All species | 0.576 | 0.000 | 0.047 | 0.292 | 0.000 | 0.173 |
| Total biomass | 0.187 | 0.000 | 0.228 | 0.239 | 0.000 | 0.018 |
| Sown species cover | 0.001 | 0.000 | 0.000 | 0.068 | 0.000 | 0.023 |
| Colonising species cover | 0.001 | 0.000 | 0.000 | 0.067 | 0.000 | 0.020 |
| Sown/Total cover | 0.001 | 0.000 | 0.000 | 0.083 | 0.000 | 0.194 |
| Sub-plots | ||||||
| Sown species | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Colonising species | 0.012 | 0.000 | 0.030 | 0.198 | 0.000 | 0.190 |
| All species | 0.280 | 0.000 | 0.000 | 0.075 | 0.000 | 0.001 |
| Total biomass | 0.268 | 0.000 | 0.344 | 0.197 | 0.000 | 0.012 |