| Effect | 1999 | 2000 | 2001 | 2003 | 2004 |
| _________________ Lint Yield, kg・ha−1 a _________________ | |||||
| RW, m 0.25 | -- | -- | -- | 242.3a | 173.0c |
| 0.50 | 431.0a | 142.8a | 222.5b | 241.1a | 290.5b |
| 0.76 | 380.0a | 126.6a | 350.2a | 279.2a | 354.1a |
| PS, m 0.15 | 403.3a | 132.9a | 302.3a | 251.2a | 272.3a |
| 0.10 | 424.1a | 113.1a | 312.8a | 257.2a | 272.8a |
| 0.075 | 389.0a | 158.0a | 243.8b | -- | -- |
| RW × PS |
|
|
|
|
|
| 0.25 × 0.150 | -- | -- | -- | 210.4a | 140.4c |
| 0.25 × 0.100 | -- | -- | -- | 274.2a | 205.6c |
| 0.25 × 0.075 | -- | -- | -- | -- | -- |
| 0.50 × 0.150 | 407.9a | 159.9a | 235.2bc | 237.6a | 296.7b |
| 0.50 × 0.100 | 484.1a | 132.7a | 255.7b | 244.7a | 284.3b |
| 0.50 × 0.075 | 401.0a | 135.7a | 176.6c | -- | -- |
| 0.76 × 0.150 | 398.8a | 105.9a | 369.5a | 305.7a | 379.8a |
| 0.76 × 0.100 | 364.1a | 93.5a | 369.9a | 252.7a | 328.4ab |
| 0.76 × 0.075 | 377.1a | 180.4a | 311.1a | -- | -- |
| Significance | ___________________________ P > F ___________________________ | ||||
| RW | 0.2973 | 0.4333 | 0.0126 | 0.5691 | <.0001 |
| PS | 0.7420 | 0.1485 | 0.0095 | 0.9199 | 0.9708 |
| RW × PS | 0.4423 | 0.0848 | 0.8095 | 0.3786 | 0.0144 |