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http://dx.doi.org/10.12791/KSBEC.2013.22.3.234

Investigation of the Crop Load for Tomato and Paprika in the Greenhouse  

Choi, Man Kwon (Institute of Agriculture & Life Science, Gyeongsang National University)
Yun, Sung Wook (Institute of Agriculture & Life Science, Gyeongsang National University)
Yu, Chan (Dept. of Agricultural Eng., Gyeongsang National Univ. (Institute of Agriculture and Life Science))
Lee, Si Young (Dept. of Agricultural Engineering, National Academy of Agricultural Science, RDA)
Yoon, Yong Cheol (Dept. of Agricultural Eng., Gyeongsang National Univ. (Institute of Agriculture and Life Science))
Publication Information
Journal of Bio-Environment Control / v.22, no.3, 2013 , pp. 234-240 More about this Journal
Abstract
The purpose of this study was to provide basic data used in greenhouse design, and for this purpose, the crop loads of tomato and paprika which have high crop load among crops cultivated in greenhouse were measured. The maximum differences in lowest and mean temperatures between cultivation year and normal years for winter season were -5.6 and $-4.9^{\circ}C$, respectively and those for summer season were 3.0 and $1.5^{\circ}C$, respectively. The calibration of push & pull gauge indicated approximate 0.99 of coefficient of determination, representing very high association. The planting densities of paprika and tomato were 3.43, 3.56 and $2.13plants{\cdot}m^{-2}$, respectively. The yields were 4.1, 4.3 and $16.2kg{\cdot}plant^{-1}$, corresponding to 14.1, 15.2 and $34.5kg{\cdot}m^{-2}$ of yield per unit area. The maximum loads were 1.3, 1.5 and $3.3kg{\cdot}plant^{-1}$, respectively. When the paprika were hanged on cross beam, the total crop load applied to it was estimated to be $15.3{\sim}15.9kg{\cdot}m^{-2}$, and when the weights of gutters supporting the cultivation beds, the total weights were $26.0{\sim}26.9kg{\cdot}m^{-2}$.
Keywords
greenhouse design; hanging; plating density; push & pull gauge; yield;
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