| 英文摘要 |
Previous studies have suggested that the impact of environmental factors on the quality of crop growth is significant in the cultivation of plants. Using the LED as a light source of plant growth is most common and effective way of indoor hydroponic cultivation. As the maximum spectral sensitivity range of plants is 400~700 nm, when using artificial light to supplement the amount of light, the spectral distribution of the light source should be close to this range. The wavelength between 400~500nm of the plant irradiation is very important for the plant differentiation and regulation of stomata. The red light of wavelength at 660nm can strengthen the capacity of the plant sprouting. The light of wavelength of 500-550 nm affects the formation of the plant carotenoids while strengthening the metabolism of carbohydrates and nitrates. Appropriate UV (300~400nm) light can effectively increase the anthocyanin content (lettuce category). |
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