Spectral range effects on plant physiology: 1.280nm ~ 315nm influence on morphological and physiological processes is minimal 2.315 nm ~ 420nm chlorophyll absorbs less impact photoperiod effect, prevent stem elongation 3.420 nm ~ 500nm (blue) chlorophyll and carotenoids absorbed the largest proportion, the greatest impact on photosynthesis 4.500 nm ~ 620nm dye absorption rate is not high 5.620nm ~ 750nm (red) chlorophyll absorption rate "high", has a significant influence on photosynthesis and photoperiod effect 6.750nm ~ 1000nm absorption rate, stimulate cell elongation, impact of flowering and seed germination 7.andgt; 1000nm converted into calorie. Note: 1.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
Package includes: 1 x LED Plants Grow Light
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