Table 2.
Multivariate Generalized Linear Model (GLM) effect of independent factors (predictors: FER, fertilization treatments; WAT, water regime; DEP, soil depth; and QDR, quadrant) on dependent variables (root length, diameter, and branching density).
| Dependent variable | Independent factor | F | p | ω 2 |
|---|---|---|---|---|
| Length | FER | 8.38 | <0.001 | 0.043 |
| DEP | 220.43 | <0.001 | 0.643 | |
| WAT | 5.54 | 0.002 | 0.040 | |
| QDR | 2.44 | 0.070 | 0.013 | |
| Diameter | FER | 3.59 | 0.032 | 0.040 |
| DEP | 19.16 | <0.001 | 0.141 | |
| WAT | 1.92 | 0.133 | 0.021 | |
| QDR | 3.92 | 0.011 | 0.068 | |
| Branching density | FER | 4.28 | 0.017 | 0.031 |
| DEP | 116.92 | <0.001 | 0.544 | |
| WAT | 0.57 | 0.636 | 0.000 | |
| QDR | 0.51 | 0.676 | 0.000 |
F value (F), value of p (p), and omega square value are shown. Bold values indicate statistical significance (p < 0.05).