What is the importance of far red light?

Advanced Techniques
50

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Screenshot_2023-03-24-17-45-20
Screenshot_2023-03-24-17-45-201229×1080 105 KB

here is the effects of 28% B, 22% G, 38 % G, 12% far-R, 27-29° C, 35-40% RH, 400-1500 ppm CO2, day 17 from seed

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