Table 2.
Linear mixed‐effects model: table of F‐ and p‐values for the effects of plant diversity (PD: monoculture and two‐ and three‐species mixtures) and five treatments (Treatment all: Control, LOW, HIGH, CARBON, NITROGEN) on shoot biomass, root biomass, soil microbial biomass, cellobiohydrolase activity, and phenol oxidase activity and of three treatments (Treatment ED: Control, LOW, HIGH) on soil microbial richness, Shannon diversity, and evenness
| Shoot biomass | Root biomass | Soil microbial biomass | Microbial richness | Shannon diversity | Evenness | Cellobiohydrolase | Phenol oxidase | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| df | F‐value | p‐value | df | F‐value | p‐value | df | F‐value | p‐value | df | F‐value | p‐value | df | F‐value | p‐value | df | F‐value | p‐value | df | F‐value | p‐value | df | F‐value | p‐value | |
| PD | 2, 89 | 1.93 | .151 | 2, 90 | 1.41 | .248 | 2, 85.4 | 2.75 | .070 | 2, 51.53 | 1.96 | .152 | 2, 51.32 | 2.05 | .139 | 2, 51.36 | 1.74 | .186 | 2, 54 | 3.86 | .027 | 2, 54 | 0.75 | .479 |
| Treatment all | 4, 89 | 5.83 | <.001 | 4, 90 | 11.46 | <.001 | 4, 86.11 | 173.31 | <.001 | |||||||||||||||
| Treatment ED | 2, 50.17 | 2.95 | .064 | 2, 50.17 | 2.95 | .061 | 2, 50.18 | 4.89 | .011 | 2, 54 | 388.93 | <.001 | 2, 54 | 33.29 | <.001 | |||||||||
| PD × Treatment all | 8, 89 | 0.75 | .652 | 8, 90 | 0.37 | .935 | 8, 86.33 | 1.58 | .143 | |||||||||||||||
| PD × Treatment ED | 4, 51.32 | 0.80 | .533 | 4, 51.14 | 0.92 | .460 | 4, 51.18 | 2.11 | .093 | 4, 54 | 5.23 | .001 | 4, 54 | 0.34 | .847 | |||||||||
Significant results (p < .05) are highlighted in bold, and marginally significant results (p < .10) are given in italics.