Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Beneficial Effect of Heat Fans on Quality and Yield of Korean Melon Cultivated in Greenhouses at Winter Season

히터팬 처리가 저온기 하우스 참외의 품질 및 수량에 미치는 긍정적 영향

  • Shin, Yong Seub (Seongju Korean Melon Fruit Vegetable Research Institute, Gyeongsangbuk-do Agricultural Research & Extension Services) ;
  • Lee, Ji Eun (Seongju Korean Melon Fruit Vegetable Research Institute, Gyeongsangbuk-do Agricultural Research & Extension Services) ;
  • Oh, Su Whan (Seongju Korean Melon Fruit Vegetable Research Institute, Gyeongsangbuk-do Agricultural Research & Extension Services) ;
  • Cheung, Joung Do (Seongju Korean Melon Fruit Vegetable Research Institute, Gyeongsangbuk-do Agricultural Research & Extension Services) ;
  • Sohn, Hyoung Rac (Seongju Korean Melon Fruit Vegetable Research Institute, Gyeongsangbuk-do Agricultural Research & Extension Services) ;
  • Do, Han Woo (Seongju Korean Melon Fruit Vegetable Research Institute, Gyeongsangbuk-do Agricultural Research & Extension Services) ;
  • Kim, Mi Kyung (Daedongkiupsa Co., Ltd)
  • 신용습 (경상북도농업기술원성주참외과채류연구소) ;
  • 이지은 (경상북도농업기술원성주참외과채류연구소) ;
  • 오수환 (경상북도농업기술원성주참외과채류연구소) ;
  • 정종도 (경상북도농업기술원성주참외과채류연구소) ;
  • 손형락 (경상북도농업기술원성주참외과채류연구소) ;
  • 도한우 (경상북도농업기술원성주참외과채류연구소) ;
  • 김미경 (대동기업사)
  • Received : 2017.05.16
  • Accepted : 2017.07.04
  • Published : 2017.07.31
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Abstract

The purpose of this study was to investigate the changes of environmental conditions and the quality and yield of melon fruit by heat fan operation in greenhouses at winter season. The average daily temperature inside the tunnels during January 1 to 31, 2017 was $0.9^{\circ}C$ higher than that of the control $17.8^{\circ}C$. The air flow rate of heater fan treatment was 4.8 times higher than the control (untreated $0.05m{\cdot}s^{-1}$) at 20cm above the ground where the korean melon grew. The temperature of the heater pan was $5.6^{\circ}C$ higher than that of the untreated at $35.3^{\circ}C$ and the relative humidity was 8.1% lower than that of the untreated at 39.1%. The flowering rate of the heater fan treatment was 96%, 5% higher than the control. The number of first harvest days of heater fan treatment was shortened by 4 days than that of untreated treatment. Fruit quality and marketable fruit yield increased by 3.4% and 38% compared to untreated respectively, the heater fan treatment increased the temperature inside the greenhouse and air flow rete, which were beneficial for growing the korean melon in greenhouses at winter season.

본 연구는 히터팬 처리에 의한 시설환경 개선 및 참외의 품질 및 수량성을 검정코자 수행하였다. 히터팬 처리에 따른 2017년 1월 1일부터 31일간 터널내부의 일평균 온도는 무처리구의 $17.8^{\circ}C$에 비하여 히터팬 처리구에서는 $18.7^{\circ}C$로 히터팬 처리구에서 $0.9^{\circ}C$ 더 높았다. 작물이 자라고 있는 지상 20cm 부위의 풍속은 무처리구의 $0.05m{\cdot}s^{-1}$에 비해 히터팬 처리구에서 $0.24m{\cdot}s^{-1}$로 4.8배 높았고 온도는 무처리구의 $35.3^{\circ}C$에 비해 히터팬 처리구에서는 $40.9^{\circ}C$로 히터팬 처리구에서 $5.6^{\circ}C$ 더 높았으나 습도는 무처리구의 39.1%에 비해 8.1%P 더 낮았다. 정식 51일후 개화율 조사에서 무처리구의 91%에 비하여 히터팬 처리구에서는 96%로 5%P 더 높았고, 첫 수확 소요일수도 무처리구의 86일에 비해 4일 단축되었다. 과중은 무처리구의 339.7g에 비하여 히터팬 처리구에서 15.1g 더 무거웠고 상품과율도 90.4%에 비하여 3.4%P 더 많았으며 10a당 상품수량도 142.9kg에 비하여 38% 더 증가하여 95% 수준에서 통계적 유의성이 인정되었다. 이상의 결과를 종합 하면 히터팬 처리로 시설내 온도상승은 물론 공기의 유동이 활발하여 작물생육에 유리하고 수확시기가 단축되고 품질이 향상되고 수량이 증가하는 것을 알 수 있었다.

Keywords

References

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