Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Effects of Production of Ever-bearing Strawberries Using Cool Air from Mushroom Cultivation House

버섯재배시설의 냉공기 이용이 사계성딸기 생산성에 미치는 영향

  • 정윤경 (경기도농업기술원 원예연구과) ;
  • 박주현 (경기도농업기술원 원예연구과) ;
  • 하태문 (경기도농업기술원 원예연구과) ;
  • 이영석 (경기도농업기술원 원예연구과) ;
  • 서명훈 (경기도농업기술원 원예연구과) ;
  • 김인철 (레드엠)
  • Received : 2018.10.12
  • Accepted : 2019.01.09
  • Published : 2019.01.31
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Abstract

We designed a system that can automatically collect, convey, and control cool air of $15^{\circ}C-20^{\circ}C$ containing carbon dioxide from a mushroom cultivation house to a strawberry plastic house. We recorded the temperature at various positions from July to August 2017. The average temperature of the green house during day and at night was maintained at $33^{\circ}C$ and $26^{\circ}C$, respectively. In the moveable three-tier cylindrical bed, the average temperature around root was maintained at $26^{\circ}C$ and $21^{\circ}C$ during day and at night, respectively. On the high-bench in the green house, the temperature was maintained at $32^{\circ}C$ and $30^{\circ}C$ during day and at night, respectively. The carbon dioxide concentration was maintained around 800-1,600 ppm in the mushroom cultivation system and 400-800 ppm in the strawberry plastic house. The growth characteristics of the strawberry treated with moveable three-tier cylindrical bed were significantly different from those of the untreated high-bench bed. In addition, during the summer season, moveable three-tier cylindrical bed showed more tendency to increase in normal fruit number (NFN) and to decrease in defective fruit number (DFN) compare to the high-bench bed. Therefore, the moveable three-tier cylindrical bed showed a tendency to be more than 2 times higher yields than that of the high-bench bed. It was confirmed that ever-bearing strawberry cultivars could be cultivated in green house due to the cool air supply from the mushroom cultivation system in the summer season.

버섯재배사에서 방출되는 $CO_2$를 함유한 $15^{\circ}C-20^{\circ}C$의 공기를 딸기재배 하우스에 자동적으로 포집하고 전달하는 자동제어 시스템을 개발하였다. 2017년 6월부터 다양한 위치에서 온도변화를 수집한 결과, 고설베드 딸기하우스의 평균온도는 주간과 야간 온도가 각각 $33^{\circ}C$ 와 $26^{\circ}C$인 반면 3단 이동식베드는 $26^{\circ}C$ 와 $21^{\circ}C$ 수준이 유지되어 있었다. 버섯재배사의 $CO_2$함유 농도는 800-1,600 ppm 수준이었다. 3단 이동식베드에 처리한 딸기의 생육특성중 엽수와 관부직경은 무처리구인 고설베드에 비해 유의성 있는 차이가 있었으며, 고온기 정상과와 기형과의 착과특성 또한 3단이동식베드가 고설베드에 비해 유의성 있게 양호한 상태유지가 되어 과실특성인 과장과 수량이 2배이상 높은 경향을 보였다. 이에, 고온기에 버섯재배사에서 방출되는 시원한 공기 활용으로 딸기의 관부주변과 엽온의 온도가 정상생육 수준으로 유지가 되어 사계성 딸기품종을 국내에서도 재배할 수 있는 가능성을 확인하였다.

Keywords

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