Table 2. Effects (ANOVA results) of inter-specific competition and soil source (soil microbial communities from continuously-grazed vs ungrazed grasslands) on shoot and root biomass of Eriophorum vaginatum and Nardus stricta plants growing in a glasshouse experiment.
Variation source | df | MS | F (P) |
Eriophorum vaginatum | |||
Shoot biomass | |||
Inter-specific competition (C) | 1 | 31.2 | 50.0 (<0.001) |
Inoculum Source (S) | 1 | 0.04 | 0.06 (0.80) |
C×S | 1 | 0.16 | 0.26 (0.60) |
Error | 47 | 0.62 | |
Root biomass | |||
C | 1 | 2.07 | 26.0 (<0.001) |
S | 1 | 0.03 | 0.4 (0.52) |
C×S | 1 | 0.34 | 4.3 (.04) |
Error | 43 | 0.08 | |
Nardus stricta | |||
Shoot biomass | |||
C | 1 | <0.01 | <0.01 (0.94) |
S | 1 | 0.02 | 1.6 (0.21) |
C×S | 1 | <0.01 | 0.29 (0.60) |
Error | 50 | 0.01 | |
Root biomass | |||
C | 1 | 0.05 | 0.91 (0.34) |
S | 1 | 0.04 | 0.64 (0.47) |
C×S | 1 | <0.01 | 0.01 (0.90) |
Error | 48 | .06 |
df = freedom degrees. MS = mean squares, F = value of F statistic, P = associated probability of F.