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강제환기처리에 의한 비닐하우스재배 시금치의 노균병 발생 억제
박석희,이중환,우진하,최성용,박소득,문용선,Park, Seok-Hee,Lee, Joong-Hwan,Woo, Jin-Ha,Choi, Seong-Yong,Park, So-Deuk,Moon, Yong-Sun 한국유기농업학회 2014 韓國有機農業學會誌 Vol.22 No.1
비닐하우스 내 강제환기가 시금치 노균병 발생에 미치는 영향을 구명하기 위해 비닐하우스에 수직환기팬 및 수평공기순환팬을 각각 설치한 후 밤 동안 환기를 시킨 하우스와 환기팬을 설치하지 않은 하우스에서 시금치를 재배하면서 온도 및 습도의 변화, 시금치 생장정도 및 노균병 발생 정도를 조사하였다. 하우스 내의 온도변화는 각 하우스 별로 큰 차이가 없었으나, 밤 동안 상대습도는 수직강제환기팬을 설치한 하우스가 팬을 설치하지 않은 하우스보다 9.2% 낮게 유지되었다. 파종 60일 후에 조사한 시금치의 개체 당 생체중은 수직강제환기팬을 설치한 하우스에서는 17.8g으로 환기팬을 설치하지 않은 하우스의 10.1g과 비교하여 7.7g 높았다. 노균병은 환기팬을 설치하지 않은 하우스에서는 파종 후 20일부터 발생하기 시작하여 60일 후에는 34.7%의 이병엽률을 보였으나, 수직강제환기처리한 하우스에서는 파종 40일 후부터 발생하기 시작하였으며 60일 후 이병엽률은 4.0%로 매우 낮았다. 야간에 비닐하우스 내 공기를 수직강제환기팬을 이용하여 환기시킨 결과 환기팬을 설치하지 않은 하우스와 비교하여 시금치 수확량은 76.2% 증가되었으며, 노균병 발생은 20일 정도 늦었으며, 88.5% 노균병 발생 억제효과가 있었다. Spinach downy mildew caused by Peronospora spinaciae is the main reason of yield reduction in Korea as well as in worldwide. After forced ventilation or horizontal air circulation fans were installed to control growth conditions in green house, the changes of temperature, relative humidity (RH), growth and yield, and occurrence of downy mildew were examined. Althought here was no significant difference of temperature between the treatments, RH as 9.2% lower at nighttime by forced ventilation. In addition, final fresh weight was increased to 17.8g compared to control (10.1g), which as 7.7g enhancement. Downy mildew s tarted to show 20 days after sowing (DAS) and increased to 34.7% at 60 DAS on harvest time in control. In contrast downy mildew was occurred 40 DAS with 0.7% incidence rate and 4% at harvest by forced ventilation. The results indicated that reduction of only 9.2% of RH at nighttime by forced ventilation in greenhouse spinach growth was dramatically thrived over 76.2%. Additionally spinach downy mildew occurred 20 days later with extremely lower incident rate, which meant 88.5% reduction of downy mildew.
박석희(Park Suk-Hee) 한국농어촌관광학회 2001 농어촌관광연구 Vol.8 No.2
Rural tourism has become an increasing popular issue of tourism development. Lots of projects to develop rural tourism destinations are ongoing in many areas. However. the theoretical background and practical data to support for developing rural tourism destinations are in need. The rural tourism debate is largely patchy and disjointed. Futhermore, the linkage between the tourist farm and the near rural village is very short. In particular, it's difficult to experience a theme at rural tourist destinations. The purpose of this study is to find the ways to build and realize a Theme which contributes to a better development of Rural Themed Tourist Villages. Main findings are as follows:<br/> First, according as the object is tangible or intangible and the tourist farm is in or out the village zone, we can classify the type of themed tourist village. Second, at the model village we can find 1 main theme, 5 sub-themes and 4~11 detailed themes by the sub-themes. Third, we can find the basic information to develop the programs through 7 stages at every sub-themes. Forth, to realize the sub-theme we can develop a trail by the sub-theme and 6~11 stops at every trails.<br/> The rural village where there is a tourist farm may have the possibility to become a themed village. Rural Themed Tourist Village may become a new type of tourist destination when it could serve the experience of a theme and have the unified images.
박석희(Park Suk-hee) 한국농어촌관광학회 2001 농어촌관광연구 Vol.8 No.1
Professor B. Lane suggested four predispositions and 14 factors for the success of rural tourism. Recently in Korea all the predispositions and factors suggested by Lane are almost matured. And many are interested about ecotourism. Rural villages are good for the demand of ecotourism. However, all the rural villages are not adequate for developing to become the ecotourism destinations. Also there is no excellent knowhow about developing ecotourism destinations.<br/> In this paper, I suggests four types of strategies: strategies about core conditions, tourism commodification, increasing dwellers' income, and organization. System building for learning about rural ecosystems and recycling of the environmental pollutants are also suggested.