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여름철 시설 토마토 재배 시 Carbon Dioxide 처리가 Water Stress에 미치는 영향
우영회,이관호,강인철,김동억,Woo, Young-Hoe,Lee, Kwan-Ho,Kang, In-Chul,Kim, Dong-Eok 국립한국농수산대학교 교육개발센터 2015 현장농업연구지 = Journal of practical agricultural resear Vol.17 No.1
This study was performed to examine the high temperature adaptability with CO<sub>2</sub> treatment for tomato under the condition of greenhouse cultivation during summer season. The indoor condition of CO<sub>2</sub> concentrations were controlled as control, 500 ppm, and 1,000 ppm for the greenhouse with the maximum air temperature of 44℃. With the observation of VPD (vapor pressure deficit) and CWSI (crop water stress index) by leaf-air temperature difference according to CO<sub>2</sub> treatment concentration, the plants with the CO<sub>2</sub> concentration of 1,000 ppm performed less water stress than those with the CO<sub>2</sub> concentrations of control and 500 ppm. The plants without CO<sub>2</sub> treatment performed the severest degree of water stress.