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Effects of Production of Ever-bearing Strawberries Using Cool Air from Mushroom Cultivation House
Yun-Kyeoung Jeoung(정윤경),Ju-Hyen Park(박주현),Tae Moon Ha(하태문),Young-Suk Lee(이영석),Myeong-Hoon Seo(서명훈),In-Chul Kim(김인철) (사)한국생물환경조절학회 2019 생물환경조절학회지 Vol.28 No.1
버섯재배사에서 방출되는 CO₂를 함유한 15oC-20℃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℃ 와26℃인 반면 3단 이동식베드는 26℃ 와 21℃ 수준이 유지되어 있었다. 버섯재배사의 CO₂ 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. We designed a system that can automatically collect, convey, and control cool air of 15℃-20℃ 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℃ and 26℃, respectively. In the moveable three-tier cylindrical bed, the average temperature around root was maintained at 26℃ and 21℃ during day and at night, respectively. On the high-bench in the green house, the temperature was maintained at 32℃ and 30℃ 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 everbearing strawberry cultivars could be cultivated in green house due to the cool air supply from the mushroom cultivation system in the summer season.
Il-Sun Baek,Yun-Kyeoung Jeoung,Jeong-Han Kim,Han-Bum Lee,Jeong-Hyun Chi 한국버섯학회 2014 버섯 Vol.18 No.2
Mycelial growth of Oyster mushroom is very important. Because the management of careless mycelial growth can be caused contamination and low yield of fruit body. To reduce contamination, it is necessary to maintain clean cooling room, inoculation room and cultivation room. First of all, we investigate death rate of microorganism according to ultraviolet(uv) irradiation in cooling room, inoculation room and contamination rate according to sterilization condition of substrate. Though contamination rates according to sterilization conditions were not showed big differences, the amount of electricity-used was the lowest at 121°C for 90 minute. As results of UV irradiation time effect on death rate of microorganism, density of bacteria was not detected after UV irradiation for 6 hours by using UV lamp(40watt) in the room of 56m3. However the death rate of fungi is not big in the same UV irradiation conditions.
Il-Sun Baek,Yun-Kyeoung Jeoung,Jeong-Han Kim,Han-Bum Lee,Jeong-Hyun Chi 한국버섯학회 2014 버섯 Vol.18 No.2
In previous studies, we selected green LED(light emitting diodes) for suitable wavelength of light by higher commercial yields and lower ratio of abnormal fruit body in Lentinula edodes. In this study, we aim to select efficient irradiation intensity of green LED. Stronger irradiation intensity of green LED resulted in more polyphenol contents of fruit body. In four level of irradiation intensity, 5, 10, 15, 20umol/m2/sec there was no big difference in commercial yields and characteristics of fruit body. In addition, Lower irradiation intensity resulted in smaller amount of electircity used. In conclusion, we selected 5umol/m2/sec for suitable irradiation intensity in Lentinula edodes with sawdust substrate cultivation.