Figure 2
The effect of LED’s on Digitalis purpurea L. grown under a closed type plant factory (a) Red; (b) Blue; (c) Fluorescent light; (d–f) combined LEDs of red and blue light [RB (1:1, 8:2, and 2:8) respectively].
Figure 2 | Scientific Reports
The effect of LED’s on Digitalis purpurea L. grown under a closed type plant factory (a) Red; (b) Blue; (c) Fluorescent light; (d–f) combined LEDs of red and blue light [RB (1:1, 8:2, and 2:8) respectively].
