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http://dx.doi.org/10.12791/KSBEC.2015.24.1.001

Irrigation Criteria based on Estimated Transpiration and Seasonal Light Environmental Condition for Greenhouse Cultivation of Paprika  

Shin, Jong Hwa (Department of Plant Science and Research Institute of Agriculture and Life Science, Seoul National University)
Son, Jung Eek (Department of Plant Science and Research Institute of Agriculture and Life Science, Seoul National University)
Publication Information
Journal of Bio-Environment Control / v.24, no.1, 2015 , pp. 1-7 More about this Journal
Abstract
Irrigation control plays an important role in improving productivity of paprika which is very sensitive to moisture condition. Among environmental factors, light intensity and distribution are not easily controlled and showed a big difference depending on season and region. For adequate irrigation control, therefore, transpiration and irrigation amounts considering light environmental data should be estimated. In current study, modified transpiration model was used for more precise estimation of transpiration. Seasonal transpiration and irrigation amounts at different regions were compared by using light environmental data provided from Korea Meteorological Administration. The transpiration amount in summer was rather smaller than those in spring and autumn seasons in Korea due to large deviations in light intensity as well as rainy period in summer. Irrigation system capacities at various regions could be recommended by using the transpiration amount in the spring having the longest photoperiod in the year. These results will be useful to the design of irrigation system and optimization of input energy in greenhouse.
Keywords
daily light distribution; greenhouse; irrigation capacity; irrigation design; transpiration model;
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Times Cited By KSCI : 2  (Citation Analysis)
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