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Design of Measuring Trays in the Irrigation System Using Drainage Electrodes for Tomato Perlite Bed Culture  

Kim, Sung-Eun (Plant Science and Technology, Sangmyung University)
Kim, Young-Shik (Plant Science and Technology, Sangmyung University)
Sim, Sang-Youn (Gyeonggi-do Agricultural Research & Extension Services)
Publication Information
Horticultural Science & Technology / v.29, no.6, 2011 , pp. 568-574 More about this Journal
Abstract
Measuring tray as a component in irrigation control system using drainage electrodes was designed and applied for tomato perlite bed culture, and the effectiveness of the irrigation control system was investigated in terms of cultural development and cultivation costs. Five different types of measuring trays equipped with drainage electrodes were tested and the traditional tray was used as the control equipped with time clock. After the first experiment, "Tube-2" was removed because of instability of water content in the substrate. After second experiment, "Tube-1" was removed because of instability of water content in the substrate and low plant yields. In third experiment, "Up-Board" exhibited the best stability in water contents and yields as well as efficiencies in water and fertilizer utilization. The "Up-Board" was the most economical and the easiest system among the tested trays. Therefore, the "Up-Board" system was concluded as the excellent design to apply for the control method using drainage electrodes for tomato perlite bed culture.
Keywords
hydroponics; irrigation management; nutrient solution; Solanum lycopersicum;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
Times Cited By Web Of Science : 0  (Related Records In Web of Science)
Times Cited By SCOPUS : 0
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