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The relative ratio of light spectrum in the applied treatments (R refers to red, B refers to blue, W refers to white, G refers to green, FR refers to far-red and UV to ultraviolet.
| Treatment | Red (660 nm) |
Blue (450 nm) |
Blue (435 nm) |
Green (520 nm) |
Far red | UV-B |
|---|---|---|---|---|---|---|
| R/B450(1:1) | 1 | 1 | - | - | - | - |
| W | 0.94 | 0.53 | 1 | 0.13 | - | |
| R/B435(1:1) | 1 | - | 1 | - | - | - |
| B/R/G/FR | 1 | 1 | - | 0.07 | 0.64 | - |
| W/UV-B | 0.94 | 0.53 | 1 | 0.13 | + | |
| R/B450-435 | 1 | 1 | - | - | ||
