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Table 2 The light quality and light supplementation arrangement

From: Effects of light-emitting diode supplementary lighting on the winter growth of greenhouse plants in the Yangtze River Delta of China

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