Table 4 The ANOVA analysis for the effects of row spacing, plant density, topping method on parameters of growth equation for aboveground dry matter.
Effect | df | cm | rm | tb |
|---|---|---|---|---|
Year (Y) | 1 | 46.8** | 74.7** | 221** |
Replicate(Y) | 4 | 0.84 | 0.58 | 0.32 |
Row spacing (RS) | 1 | 3.63 | 0.05 | 1.60 |
Plant density (PD) | 3 | 82.1** | 1.83 | 0.22 |
Topping (TOP) | 1 | 0.14 | 0.24 | 0.00 |
RS×PD | 3 | 1.12 | 0.15 | 3.30 |
RS×TOP | 1 | 1.46 | 0.00 | 0.50 |
TOP×PD | 3 | 0.10 | 0.02 | 1.35 |
RS×TOP×PD×Y | 3 | 0.69 | 1.99 | 1.39 |