Table 2.
Analysis of variance (ANOVA) for the damage index, invisible losses, machine productivity, and skipping rate.
| S.V | d.f | M.S | |||
|---|---|---|---|---|---|
| Damage index | Invisible losses | Machine productivity | Skipping rate | ||
| A | 2 | 44.511** | 2886.279** | 32.86* | 22.200* |
| B | 3 | 50.527** | 589.517** | 710.453** | 506.151** |
| C | 4 | 51.273** | 2685.381** | 708.417** | 300.590** |
| A*B | 6 | 43.968** | 31.857 | 53.440* | 39.042** |
| A*C | 8 | 44.428* | 55.0543* | 15.246* | 64.775** |
| A*B*C | 36 | 43.640* | 86.498** | 21.236* | 22.791** |
| Error | 120 | 44.142 | 22.150 | 58.644 | 10.243 |
Where: Factor A = Knife thickness (1.5 mm, 2.0 mm, and 2.5 mm); Factor B = sugarcane stalk diameter (1.32 cm, 1.82 cm, 2.43 cm and 2.68 cm); Factor C = cutting speed (56 rpm, 50 rpm, 45 rpm, 40 rpm and 35 rpm); S.V. = Source of variance; d.f. = Degree of freedom; M.S. = Mean of squares; * Significant at P (0.05); ** Highly significant at P (0.01).