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http://dx.doi.org/10.23097/JPAF.2021.23(1):59

Study of Paprika Growth Characteristic on Covering Selective Light Transmitting Filter in Greenhouse  

Kang, D.H. (Department of General Education, Korea National College of Agriculture and Fisheries)
Kim, D.E. (Department of General Education, Korea National College of Agriculture and Fisheries)
Lee, J.W. (Department of Horticulture Environment System, Korea National College of Agriculture and Fisheries)
Hong, S.J. (Department of General Education, Korea National College of Agriculture and Fisheries)
Publication Information
Journal of Practical Agriculture & Fisheries Research / v.23, no.1, 2021 , pp. 59-66 More about this Journal
Abstract
This study aimed to a basic research for the development of dye-sensitized solar cells that the wavelength band required for crop growth is passed, and the wavelength band that is not necessary for crop growth can be used for the generation of electricity. The transmissivity according to the illuminance was about 10% higher in the Blue filter and the Green filter than in the Red filter, but the transmissivity according to the PPFD was about 10% higher in the Red filter and the Blue filter than in the Green filter. In addition, the greenhouse attached with 30% infrared blocking filter was predicted to have a lower air temperature than other greenhouses, but it was investigated that there was no significant difference. Therefore, it was investigated that the application of the infrared cut filter would not be appropriate in a greenhouse that controls the temperature by opening a window. As a result of investigating, it was found that the Green and Blue filter greenhouses had the severe overgrowth and the stems grew weaker. The fresh weight of paprika in the infrared blocking filter greenhouse was the highest at 678.9g, and the growth of Red filter and the control greenhouses was relatively poor. Photosynthetic rate, amount of transpiration, and stomatal conductivity were the infrared blocking filter and control greenhouse higher than others. On the other hand, the water use efficiency did not show a big difference.
Keywords
Transmissivity; Dye-sensitized solar cells; Filter;
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