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http://dx.doi.org/10.12791/KSBEC.2020.29.4.428

Yield Increase and Energy Saving Effect on Plastic Greenhouse Covered with Polyolefin Film  

Moon, Jong Pil (Protected Horticulture Research Institute, NIHHS, RDA)
Park, Seok Ho (Protected Horticulture Research Institute, NIHHS, RDA)
Kim, Jin Gu (Protected Horticulture Research Institute, NIHHS, RDA)
Lee, Jae Han (Protected Horticulture Research Institute, NIHHS, RDA)
Kang, Youn Koo (Department of agricultural Engineering, NAS, RDA)
Lim, Mi Young (Protected Horticulture Research Institute, NIHHS, RDA)
Kim, Hye Min (Protected Horticulture Research Institute, NIHHS, RDA)
Publication Information
Journal of Bio-Environment Control / v.29, no.4, 2020 , pp. 428-439 More about this Journal
Abstract
This study was carried out to investigate the effect of PO film on the increase of crop yield and energy saving through PO and PE film greenhouse application and comparison test. As a experimental greenhouse, two single span greenhouses (1-1 W) and two double span greenhouses (1-2 W) were used. During winter season, PO film (0.15 mm outer layer, 0.10mm inner layer) was used as a covering material of greenhouse in double layers for double-span (B15) and single-span(B21), and PE film used for double-span (B15), and single-span (B23) as a control. The experimental vegetable was tomato(Solanum lycopersicum L.) cultivated in soil and the cultivar of that was 'Happiness'. That was cultivated from December 3, 2019 to April 30, 2020. The temperature at night inside the greenhouse was maintained at 15℃, and the side and roof windows were opened to maintain 23 ~ 24℃ during the day. As a result, this study showed that the yield in single-span greenhouse(B21) covered with a PO film increased 20% and that in double-span greenhouse (B16) increased by 9% compared to the greenhouse covered with a PE film (B23, B15). Fuel consumption of the single-span greenhouse (B21) with the cover of PO film was reduced by 12.4% and that of double-span greenhouse was done by 11.5% compared to that of the PE film greenhouse (B23, B15) without any difference between them in growing state.
Keywords
heating cost saving; insulation effect; Solar radiation increase;
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Times Cited By KSCI : 8  (Citation Analysis)
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