Table 2. Effects of seeding dates on the chemical composition of whole-crop barley cultivated in a paddy field (% of dry matter basis unless otherwise stated)
Items | Treatments1) |
T1 | T2 | T3 | T4 | T5 |
Crude protein | 12.2 ± 0.2c | 12.7 ± 0.1c | 13.5 ± 0.1b | 13.8 ± 0.2b | 15.4 ± 0.6a |
Ether extract | 1.8 ± 0.1b | 1.9 ± 0.1b | 1.9 ± 0.0b | 2.1 ± 0.0a | 2.1 ± 0.1a |
Crude ash | 9.7 ± 0.1a | 9.1 ± 0.1b | 8.9 ± 0.1bc | 9.0 ± 0.1bc | 8.8 ± 0.1c |
Crude fiber | 28.5 ± 0.4b | 30.9 ± 0.2a | 31.1 ± 0.7a | 30.5 ± 0.3a | 30.9 ± 1.3a |
NDF | 58.6 ± 0.3b | 59.9 ± 0.2a | 61.8 ± 0.5a | 60.5 ± 0.7a | 60.2 ± 0.7a |
ADF | 36.9 ± 1.2ns | 37.5 ± 0.8 | 37.2 ± 2.6 | 37.3 ± 1.5 | 37.7 ± 0.9 |
TDN | 60.0 ± 1.0ns | 59.5 ± 0.3 | 59.3 ± 2.1 | 59.4 ± 1.2 | 59.0 ± 0.7 |
Data are expressed as means ± SD.
Means in a row with different superscripts are significantly different (p < 0.05).
T1, T2, T3, T4, and T5 represent the different seeding dates: October 19, October 26, November 2, November 9, and November 16, respectively. NDF, neutral detergent fiber; ADF, acid detergent fiber; TDN, total digestible nutrients [88.9 – (0.79 × acid detergent fiber (%))]; ns, not significant.