자연광과 형광등이 실내식물의 광합성량 및 엽록소함량에 미치는 영향

Abstract

Countries around the world recognize the importance of the lighting energy saving. Many study of the comparison of the daylighting and the artificial lighting were realized. But the comparison was not precise by reason of the weather varying from hour to hour. The evaluating performance of the daylighting and the artificial lighting must be evaluated in the same condition. In this study two experiment chambers which were consist of daylight and artificial lighting were made. And to make the same illuminance condition. 12 32W flours cant lamp were used with dimming-controller. The same illuminance of two chambers could enable the precise comparison experiment. In the photosynthesis. an increasing rate of the plants in daylighting chamber was higher than that in artificial chamber, and in the chlorophyll is same. The reason of this result is showed by difference of spectrum energy. The light-absorbing pigments of plant need the spectrum of the large wavelength. The spectrum energy of daylighting is consist of ultraviolet, infrared ray and visible rays. But the spectrum energy of fluorescent lighting is only high in the special wavelength.