| Effect | 1999 | 2000 | 2001 | 2003 | 2004 | 1999 | 2000 | 2001 | 2003 | 2004 |
| _________________ Length, mma _________________ | _________________ Micronairea _________________ | |||||||||
| RW, m 0.25 | -- | -- | -- | 23.8b | 24.7b | -- | -- | -- | 5.50a | 4.45a |
| 0.50 | 21.2a | 21.4a | 22.9a | 24.4b | 24.4b | 5.42a | 4.70a | 5.24a | 5.33a | 4.33ab |
| 0.76 | 21.8a | 21.6a | 23.4a | 25.7a | 25.8a | 5.38a | 4.58a | 5.18a | 4.77b | 4.06b |
| PS, m 0.15 | 21.3a | 21.7a | 23.2a | 24.4a | 24.5b | 5.53a | 4.57a | 5.18a | 5.18a | 4.32a |
| 0.10 | 21.7a | 21.3a | 23.3a | 24.9a | 25.4a | 5.27a | 4.72a | 5.22a | 5.22a | 4.24a |
| 0.075 | 21.5a | 21.5a | 22.9a | -- | -- | 5.40a | 4.63a | 5.23a | -- | -- |
| RW × PS |
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| 0.25 × 0.150 | -- | -- | -- | 23.4b | 24.8b | -- | -- | -- | 5.53a | 4.43ab |
| 0.25 × 0.100 | -- | -- | -- | 24.3ab | 24.6b | -- | -- | -- | 5.47a | 4.47a |
| 0.25 × 0.075 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 0.50 × 0.150 | 20.8a | 21.6a | 22.6a | 24.4ab | 24.0b | 5.63a | 4.67a | 5.23a | 5.30ab | 4.37ab |
| 0.50 × 0.100 | 21.4a | 21.3a | 23.1a | 24.5ab | 24.8b | 5.27a | 4.70a | 5.27a | 5.37a | 4.30ab |
| 0.50 × 0.075 | 21.4a | 21.3a | 22.9a | -- | -- | 5.37a | 4.73a | 5.23a | -- | -- |
| 0.76 × 0.150 | 21.8a | 21.8a | 23.8a | 25.3a | 24.8b | 5.43a | 4.47a | 5.13a | 4.70b | 4.16ab |
| 0.76 × 0.100 | 21.9a | 21.3a | 23.5a | 26.0a | 26.9a | 5.27a | 4.73a | 5.17a | 4.83ab | 3.97b |
| 0.76 × 0.075 | 21.5a | 21.8a | 22.9a | -- | -- | 5.43a | 4.53a | 5.23a | -- | -- |
| Significance | ___________________________ P > F ___________________________ | ___________________________ P > F ___________________________ | ||||||||
| RW | 0.2021 | 0.4373 | 0.1545 | 0.0035 | 0.0009 | 0.6280 | 0.2049 | 0.4059 | 0.0003 | 0.0158 |
| PS | 0.6379 | 0.5255 | 0.4332 | 0.3449 | 0.0368 | 0.0672 | 0.2370 | 0.8133 | 0.8450 | 0.5400 |
| RW× PS | 0.4501 | 0.7919 | 0.2069 | 0.5332 | 0.0034 | 0.3954 | 0.3028 | 0.7681 | 0.6386 | 0.5490 |