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자동환기관리가 시설수박의 생육과 시들음증 발생에 미치는 영향
권준국(Joon Kook Kwon),강경희(Kyung Hee Kang),권기범(Gi Bum Kweon),최영하(Young Hah Choi),강남준(Nam Jun Kang),이재한(Jae Han Lee),이한철(Han Cheol Rhee) 한국원예학회 2006 원예과학기술지 Vol.24 No.2
This study was performed to investigate the effect of automatic ventilation based on greenhouse air temperature on the growth, fruit quality and wilting occurrence of greenhouse watermelon (Citrullus vulgaris) at annually wilting field of a chief producing district, Haman, from 2002 to 2004. The automatic ventilation with setpoint 35℃ and the control (mostly close) of greenhouse during the daytime were compared. Automatic ventilation produced around 3℃ low air temperature and 7% low air humidity in greenhouse during the daytime, and thus vigorous growth, 10 to 20% heavier fruit and reduced wilting occurrence, compared to those of the control. Results indicate that automatic ventilation could be effective in temperature management for high productivity and low wilting occurrence of greenhouse watermelon in low temperature season.
대목 종류 및 이중접목이 시설수박의 품질과 시들음증 발생에 미치는 영향
권준국(Joon-Kook Kwon),권기범(Gi-Bum Kweon),강경희(Kyung-Hee Kang),최영하(Young-Hah Choi),강남준(Nam-Jun Kang),이재한(Jae-Han Lee),정호정(Ho-Jeong Jeong),박진면(Jin-Myeon Park) 한국원예학회 2005 원예과학기술지 Vol.23 No.4
To investigate the effect of rootstocks and double grafting on the fruit quality and withering occurrence of greenhouse watermelon (Citrullus vulgaris S.), three rootstocks, Chambak (Lagenaria vulgaris), Shintozwa (C. maxima × C. moschata), Andongoi (Sicyos angulatus L.), and double grafting using Shintozwa as primary rootstock and Chambak as secondary rootstock, were evaluated. The parameters used were withering occurrence, plant growth and fruit quality during low temperature season at annually withering field of a major producing district, Haman. Remarkable withering symptoms were observed in plants grafted onto Chambak but very low occurrence showed in plants grafted onto Shintozwa and double grafted. Watermelon plants grafted onto rootstocks such as Andongoi, Shintozwa, and double grafted showed comparable shoot growth and fruit development as compared to the those grafted onto popular rootstock, Chambak. However, the soluble solids contents, rind thickness, and flavour of watermelons grafted onto Chambak was superior as compared to the those grafted onto the other rootstocks. The results also showed that changes of rootstocks from popular rootstock, Chambak, to Shintozwa, double-grafted and Andongoi rootstock could be alternative method to reduce the withering occurrence under greenhouse cultivation during low temperature season.
터널보온재 종류 및 엑셀파이프 이용 온수가온이 시설수박의 생육과 시들음증 발생에 미치는 영향
권준국(Joon Kook Kwon),강경희(Kyung Hee Kang),권기범(Gi Bum Kweon),최영하(Young Hah Choi),강남준(Nam Jun Kang),이재한(Jae Han Lee) 한국원예학회 2006 원예과학기술지 Vol.24 No.2
Effects of thermal tunnel covers and warm-water heating using excel (XL) pipe on the growth, yield, and wilting of greenhouse watermelon were investigated at annually wilting field of a chief producing district, Haman. Thermal tunnel covers (four, eight and twelve ounces) and warm-water heating setpoints (15℃ and 20℃) with laying XL pipes on the soil surface during the night time were compared, respectively. High plant dry matter and fruit yield and low wilting occurrence were observed in heavier thermal cover but the difference between eight and twelve ounce was not significant. Warm-water heating of 20℃ setpoint increased 3.5℃ in air temperature and 800 g in fruit weight, and reduced 20% in wilting occurrence, compared to those in non-heating. Results indicate that eight to twelve ounces of thermal tunnel cover and warm-water heating using XL pipe could be some effective in temperature management for high productivity and low wilting occurrence of greenhouse watermelon in low temperature season without excessive fuel consumption.
4D 시스템 기반의 건축시공 시뮬레이션 개발 방향 -공정 프로세스 중심으로-
조진 ( Jin Jo ),권기범 ( Gi Bum Kwon ),윤석헌 ( Seok-heon Yun ),백준홍 ( Joon-hong Paek ) 한국건축시공학회 2007 한국건축시공학회 학술발표대회 논문집 Vol.7 No.1
The purpose of this study is to propose development of Schedule based Architectural Construction Simulation System. In this study (or paper), lt analyzes the simulation system concept and its characteristics, and analyze the main functions simulation system and the range of functions which are already used currently. Therefore, lt could find the limit of the present simulation system, and propose more effective solutions to develop Schedule based Architectural Construction Simulation System.