Table 2. Differences in the Cumulative PPFD and the Daily Average PPFD during Barley Sprout Cultivation among Shielding Treatmentsa.
| cumulative
PPFD (mol m–2 duration–1) |
average
PPFD (mol m–2 day–1) |
|||||||
|---|---|---|---|---|---|---|---|---|
| treatment (% of natural light) | Jun | July | Aug | Sep | Jun | July | Aug | Sep |
| 100% | 434.0a | 311.1a | 253.6a | 285.3a | 43.4a | 28.3a | 36.2a | 25.9a |
| 80% | 261.8b | 213.1b | 202.9b | 228.2b | 32.7b | 23.7b | 29.0b | 20.7b |
| 70% | 234.8c | 172.3c | 174.1c | 217.9b | 29.4c | 19.1c | 24.9c | 19.8b |
| 50% | 171.8d | 91.3d | 136.7d | 223.3b | 21.5d | 10.1d | 19.5d | 20.3b |
Data presented are means of three replicates and the same letters indicate no significant difference in the same column (Tukey’s HSD, p < 0.05).