Table 2.

Spectral ratio and light intensity (PPFD) for single and mixed LEDs.

Light Source	Spectral Ratio (%)				PPFD (μmol m−2 s−1)
	Blue (400–500 nm)	Green (500–560 nm)	Yellow (560–630 nm)	Red (630–700 nm)
RB	29.9	0.4	4.1	65.6	98.8 ± 9.3
RBW	19.7	9.5	16.6	54.2	115.3 ± 12.6
B	98.5	1	0.2	0.3	112.8 ± 22.4
Y	0.5	1.2	97.4	0.9	27.7 ± 4.0
R	0.3	0.2	4.8	94.7	114.4 ± 20.0