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여름철 시설재배에서 일사량에 따른 수시차광이 오이 생육에 미치는 영향
우영회,조일환,이관호,홍규현,오대근,강인철,Woo, Y.H.,Cho, I.H.,Lee, K.H.,Hong, K.H.,Oh, D.G.,Kang, I.C. 국립한국농수산대학교 교육개발센터 2014 현장농업연구지 = Journal of practical agricultural resear Vol.16 No.1
Use of mobile shading helps ameliorate heat stress of cucumber in greenhouse during summer. The mobile shading according to solar radiation may be optimal to produce high-quality cucumber in greenhouse during summer. Simultaneous comparison was made among greenhouse sections that were either not shaded or covered with reflective aluminized shadecloth that shaded 40%, or 90% of direct sunlight. Solar radiation amount, soil temperature, difference in leaf temperature and air temperature, and air temperature were lower, and relative humidity was higher as shade level increased. With increased shade level, photosynthesis rate, leaf area, fresh weight, dry weight, and number of marketable fruits increased. The mobile shading of 90% when the outer sunlight was above 650W·m<sup>-2</sup> yielded favorable growth environment in greenhouse of cucumber during summer.