Table 2 The light quality and light supplementation arrangement
Light source | R/B ratio | Lighting duration | Serial number |
|---|---|---|---|
LED-A | 6:3 | 18:00–00:00 (6 h) | LED-A1 |
6:3 | 18:00–22:00 (4 h) | LED-A2 | |
6:3 | 18:00–20:00 (2 h) | LED-A3 | |
LED-B | 8:1 | 18:00–00:00 (6 h) | LED-B1 |
8:1 | 18:00–22:00 (4 h) | LED-B2 | |
8:1 | 18:00–20:00 (2 h) | LED-B3 | |
– | – | – | Control group |