[논문]오이재배의 비닐하우스 시스템에서 스프링클러의 유량효과

윤상진; 정성원; 박종민; 김종순; 권순구; 최원식

doi:10.21289/ksic.2020.23.1.93

오이재배의 비닐하우스 시스템에서 스프링클러의 유량효과
Sprinkler Flow Rate Effect on the Greenhouse System for Soilless Cultivation of Cucumber 원문보기

한국산업융합학회 논문집 = Journal of the Korean Society of Industry Convergence, v.23 no.1, 2020년, pp.93 - 100

윤상진 (바이오산업기계공학과, 부산대학교) , 정성원 (바이오산업기계공학과, 부산대학교) , 박종민 (바이오산업기계공학과, 부산대학교) , 김종순 (바이오산업기계공학과, 부산대학교) , 권순구 (바이오산업기계공학과, 부산대학교) , 최원식 (바이오산업기계공학과, 부산대학교)

Abstract ▼ AI-Helper

In this paper, soilless cucumber cultivation was investigated, fermented fertilizer to increase the cucumber yield was considered, and the greenhouse temperature control system for cucumber cultivation is developed. To do this, perlite was proposed to replace soil as growth medium. Fermented cows and pigs manure was proposed as plant fertilizer. Combination of fan, water sprinkler, and pipe heating system was proposed to control the greenhouse temperature. However, because this research was conducted during the summer, the greenhouse system observed in this study only focused on variations in the flow rate of the water sprinkles used. The experimental result shows that soilless culture in the greenhouse could be an alternative to traditional field production for high-value vegetable crops. Furthermore, application of fermented fertilizer of 10% could enhance the growth and increase the yield and quality of crops. The proposed sprinkler flow rate is best suited for cucumber crop with the best thrives was 0.846 kg/s.

주제어

표/그림 (7)

그림 Fig. 1 Medium Preparation for Soilless Cucumber Cultivations
그림 Fig. 2 Biodigester and irrigation system
그림 Fig. 3 Temperature control system used: fan (a), water sprinkle (b), and pipe heating (c)
그림 Fig. 4 Comparison of cucumber cultivation: with soil and without soil
그림 Fig. 5 The effect of nutrient percent age on plantheight
그림 Fig. 6 Effects of sprinkler rate on roof temperature distribution (◦C)
그림 Fig. 7 Effects of sprinkler flow rate on the temperature in the greenhouse

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제안 방법

In order to study the effects of greenhouse roof sprinkling on air cooling, the roof film temperature and the air flow in the greenhouse were analyzed. The temperature distribution on the roof at different sprinkler flow rates is shown in Fig.
The fan and sprinkler were used to control the temperature condition inside the greenhouse when the environment temperature was high (during summer), while the pipe heating was used when the environment temperature was low (during winter). In this study, the experiment was done in summer, therefore the greenhouse system used in this study was given three variations of sprinkle flow rate, there were 0.282 kg/s, 0.564 kg/s, and 0.846 kg/s. The measurement of the sprinkler flow rate in this study was done by measuring the time needed for discharging the water mass of 10 kg.
The main objective of this research was to investigate substrates for soilless cucumber cultivation, to find the optimum composition of fermented fertilizer to increase the cucumber yield and to design the greenhouse with temperature control system for four season cucumber cultivation.
846 kg/s. The measurement of the sprinkler flow rate in this study was done by measuring the time needed for discharging the water mass of 10 kg.

대상 데이터

It was a single greenhouse, oriented in an east-west direction; its dimensions (length × width × height) were 100 m × 20 m × 4 m, with a total area of 2000 m2.
The experiments were conducted during January-November 2019 in greenhouses located at Miryang city (113◦230 E and 22◦ 560 N). Studied hybrid was silver green variety cucumber (Cucumis sativus L.
It was a single greenhouse, oriented in an east-west direction; its dimensions (length × width × height) were 100 m × 20 m × 4 m, with a total area of 2000 m2. The greenhouse was covered with transparent plastic film (0.15 mm).

이론/모형

Photosynthetic bacterium and Bacillus subtilis was added to accelerate the fermentation process. The procedure was carried out using the anaerobic digestion technique, according to the methodology described by [6]. The bucket was placed under the sun for a 60-day period.

성능/효과

(1) The experimental result shows that soilless culture in the greenhouse could be an alternative to traditional field production with the fermented fertilizer of 10%.
(2) The proposed sprinkler flow rate is best suited for cucumber crop with the best thrives was 0.846 kg/s.
6. Based on the analysis, it was clear that the sprinkle flow rate had an effect on the rate of temperature decrease of the air in the greenhouse, but it had little effect on the average air temperature when the sprinkling process was over. While on Fig.
The experiments were conducted during January-November 2019 in greenhouses located at Miryang city (113◦230 E and 22◦ 560 N). Studied hybrid was silver green variety cucumber (Cucumis sativus L.), hybrid with long fruit, and specific to greenhouse culture. Cucumber seedlings were seeds directly in pots filled with Perlite in warm greenhouse.

참고문헌 (6)

O. N. Agbulu, Idu E. E., "An assessment of organic and inorganic vegetable farming in Benue Valley of North Central Nigeria (implication for agricultural educators)," J Hum Ecol., vol. 23, pp. 345-350 (2008).

상세보기
J. Akhter, Mahmood K., Malik K., Mardan A., Ahmad M., Iqbal M., "Efects of hydrogel amendment on water storage of sandy loam and loam soils and seedling growth of barley, wheat and chickpea," Plant Soil Environ., vol 50, pp. 463-469 (2004).
E. I. Arslan, Unlu A, Topal M., "Efect of aeration rate on elimination of coliforms during composting of vegetable-fruit wastes," Int J Recycl Org Waste Agric., vol. 5, pp. 243-249 (2016).

상세보기
M. A. Bustamante, Alburquerque J. A., Restrepo A. P., de la Fuente C., Paredes C., Moral R., Bernal M.P., "Co-composting of the solid fraction of anaerobic digestates, to obtain added-value materials for use in agriculture," Biomass Bioenergy, vol. 43, pp. 26-35 (2012).

상세보기
E. A, Egrinya, Islam R., An P., Amalu U. C., "Nitrate retention and physiological adjustment of maize to soil amendment with superabsorbent polymers," J Clean Prod., vol. 52, pp. 474-480 (2013).

상세보기
L.G. Osorio, "Improving organic fertilizers," Low Extern Input Sustain Agric., vol. 21, pp. 14-15 (2005).

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