[논문]공기순환 방법이 느타리버섯 재배사 공기균일도 및 버섯품질에 미치는 영향

염성현; 박혜성

doi:10.14480/jm.2022.20.3.127

공기순환 방법이 느타리버섯 재배사 공기균일도 및 버섯품질에 미치는 영향
Effect of Air-circulation Ways on Air Uniformity and Mushroom Quality in a Cultivation Facility for Oyster Mushroom 원문보기

Journal of mushrooms = 한국버섯학회지, v.20 no.3, 2022년, pp.127 - 137

염성현 (농촌진흥청 국립농업과학원 농업공학부 재해예방공학과) , 박혜성 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과)

초록
AI-Helper

느타리 균상 패널재배사에 상향과 하향 등 양방향으로 바람 토출이 가능한 정역 제어 대류팬(시험구)과 상향으로만 바람을 토출하는 관행 유동팬(대조구)을 이용한 경우에 대하여 내부환경과 버섯품질을 조사하였다. 재배 주기별 첫 수확 2일 전의 기온과 상대습도 편차를 조사한 결과, 시험구(1주기: 1.0-1.3℃와 7.8-9.0%, 2주기: 0.7-1.1℃와 10.0-11.4%)가 대조구(1주기: 5.8-6.4℃와 21.3-23.1%, 2주기: 3.4-5.7℃와 14.6-18.3%)보다 공기 균일도가 향상된 것으로 나타났다. 버섯품질의 경우 재배 주기에 따라 다소 차이를 보였는데 배지 세력이 큰 1주기에서는 정역 제어 대류팬을 적용시킨 경우가 관행 유동팬 적용에서보다 버섯품질이 다소 우수하였으나 배지 세력이 다소 약해진 2주기에서는 다소 떨어지는 것으로 나타났다. 2주기에서 공기 균일도가 향상되었음에도 버섯품질이 다소 떨어진 것은 하향으로의 바람이 버섯 생육에 영향을 주었기 때문인 것으로 판단되었다. 향후 균상 재배단 내측과 외측에서의 풍속 계측이 필요할 것으로 판단되었으며 정역 제어 대류팬의 운영 매뉴얼이 필요할 것으로 판단되었다.

Abstract ▼ AI-Helper

Effects of substrate bed interior environments on mushroom qualities were investigated in oyster mushroom cultivation facilities in which either Reversible Air-Circulation Fans (RACF) blowing air in two directions (upwards and downwards) or customary Convection Fans (CF) with air blowing only upwards were operated throughout the cultivation period. Two days before harvest, the deviation ranges of the bed interior temperature and relative humidity in the facility using RACF were in the ranges of 1.0-1.3℃ and 7.8-9.0% in the first growing cycle, and within 0.7-1.1℃ and 10.0-11.4% in the second cycle. In the facility using CF, the ranges of variation in the indoor environment parameters (5.8-6.4℃ and 21.3-23.1% in the first growing cycle, and 3.4-5.7℃ and 14.6-18.3% in the second growing cycle) were much enlarged compared to those associated with RACF. These results strongly indicate that RACF significantly enhances air uniformity. Some mushroom qualities differed between growing cycles. For instance RACF in the first cycle gave somewhat better qualities than CF, but some qualities, like pileus diameter and stipe length, were slightly lower than those described for CF in the second cycle when the cultivation substrate weakened. The observation that some qualities worsened under RACF conditions, despite better air uniformity during the growing cycle, revealed the possibility that downward wind may exert a non-negligible negative effect on mushroom growth. Therefore in the future, making wind measurements on the interior and exterior of substrate beds is necessary to obtain insights into their influences on mushroom qualities. The RACF operation manual needs to be edited to convey this necessity.

주제어

표/그림 (13)

그림 Fig. 1. Views of the reversible air-circulation fan and measuring sensors in an experimental cultivation facility
그림 Fig. 2. Views of the convection fan and measuring sensors in a control cultivation facility
표 Table 1. Air uniformity at a specific time and its assessment according to operation ways of the reversible air-circulation fan and the customary convection fan in the first growing cycle
그림 Fig. 3. Schematic outline of cultivation facilities(Top:Transversal section, Bottom:Floor view, on the Left of its view is an experimental facility, on the Right control one) showing the layout and dimension(unit: mm) of cultivation benches with tworow four-layered beds, and the location of the measuring sensors(#1-#16)
그림 Fig. 4. Operation period for reversible air-circulation fans and convection fans, and also harvest period in the two growing cycles
그림 Fig. 5. Variation of temperature at measuring locations(on the left is for #1-#8, on the right #9-#16) on the days of 1 cycle in the experimental and control facility
그림 Fig. 6. Variation of relative humidity at measuring locations(on the left is for #1-#8, on the right #9-#16) on the days of 1 cycle in the experimental and control facility
그림 Fig. 7. Variation of temperature at measuring locations(#1-#16) on the days of 2 cycle in the experimental and control facility
그림 Fig. 8. Variation of relative humidity at measuring locations(#1-#16) on the days of 2 cycle in the experimental and control facility
표 Table 2. Air uniformity in a day(00:00-24:00) at a specific time(2 days before harvest) in the two growing cycles
그림 Fig. 9. Characteristics-individual weight(a), pileus diameter(b), pileus thickness(c), stipe thickness(d) and stipe length(e)-of fruit body in the experimental and control facility according to growing cycles(Duncan's multiple range test at p<0.05)
그림 Fig. 10. Yield of mushroom production in the experimental and control facility according to each growing cycle.
표 Table 3. Characteristics of fruit body in the experimental and control facility according to growing cycles

참고문헌 (15)

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원문보기 상세보기
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원문보기 상세보기
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