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Effects of Greenhouse Covering Material on Environment Factors and Fruit Yield in Protected Cultivation of Sweet Pepper  

Kim, Ho-Cheol (Division of Horticulture and Pat Animal-Plant Science, Wonkwang University)
Jung, Sek-Gi (Division of Horticulture and Pat Animal-Plant Science, Wonkwang University)
Lee, Jeong-Hyun (Division of Faculty of Plant Biotechnology, Chonnam National University)
Bae, Hyang-Jong (Division of Horticulture and Pat Animal-Plant Science, Wonkwang University)
Publication Information
Journal of Bio-Environment Control / v.18, no.3, 2009 , pp. 253-257 More about this Journal
Abstract
To analysis effect of environment factors on productivity of sweet pepper according to greenhouse covering material (glass, plastic film), this was investigated. In glasshouse, outside light was positively correlated with yield as that $100MJ{\cdot}m^{-2}$ of outside light increased $300{\sim}500g{\cdot}m^{-2}$, also cumulative temperature was same tendency. On possibility of model development for yield estimate cumulative temperature was high than outside light. According to covering material, leaf photosynthesis, productivity per out-side light and term in glasshouse was more high 13%, 46%, and 47% compared with plastic film house, respectively. Result of analysis of effect of light, temperature, and $CO_2$ on yield, relative yield coefficient, yield increment coefficient, and yield reduction coefficient in glasshouse were more high 25%, 73%, and 34% compared with plastic film house, respectively. Hence, sweet pepper's growing in glasshouse compare with plastic film house had more productivity, but that had more sensitivity to charge of environment factors.
Keywords
covering material; environment factors; productivity; yield;
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