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KMID : 1024520210300110907
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Journal of the Environmental Sciences
2021 Volume.30 No. 11 p.907 ~ p.914
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Analysis and Monitoring of Environmental Parameters in a Single-span Greenhouse during Strawberry Cultivation
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Park Min-Jung
Kang Tae-Gyeong
Yun Sung-Wook
Lim Ryu-Gap
Son Jin-Kwan
Kang Dong-Hyeon
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Abstract
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In this study, strawberry cultivation environment in a greenhouse located in Jeonju was monitored and internal environmental parameters were analyzed. Temperature, humidity, RAD, and PPF sensors were installed to monitor environmental conditions in the test greenhouse. Data were collected every 10 minutes during four winter months from sensors placed across the greenhouse to assess its permeability and environmental uniformity. Temperature and humidity inside the greenhouse were relatively uniform with negligible deviations among the center, south, and north; however, it was judged that further analysis of gradients of these parameters f rom the east to t he w est of t he g reenhouse w ould b e needed. Both R AD (Total solar radiation) a nd P PF (Photosynthetic photon flux) had high values on the south and were low on the north and the reduction rate of these parameters was 54% and 61%, respectively, indicating that a significant amount of light could not be transmitted. This implied a significant decrease in the amount of light entering the greenhouse during winter. Therefore, it is concluded that environmental control devices and auxiliary lighting are needed to achieve uniform greenhouse environment for efficient strawberry cultivation.
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KEYWORD
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Single-span greenhouse, Strawberry, Environment, Monitoring
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