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시설재배 고추중 Bitertanol 및 Tebuconazole 잔류양상
성기용,최규일,허장현,김정규,이규승,정몽희 한국응용생명화학회 2004 Journal of Applied Biological Chemistry (J. Appl. Vol.47 No.1
Persistence of the triazole fungicides, bitertanol and tebucnazole was investigated after their application at recommended and double rate on greenhouse-grown peppers. The half-life of bitertanol and tebuconazole on peppers at recommended and double rate was 5.2~6.1 and 4.6~5.2 days, respectively. Half-lives of bitertanol and tebuconazole on pepper leaves (16.8~22.5 days) was longer than those in the peppers. Residual concentration of bitertanol and tebuconazole on pepper leaves 24 days after application were 10.1 and 17.5 mg/kg, respectively, and these levels were higher than MRL which had been established at 3.0 and 5.0 mg/kg in Korea. Pattern of dissipation was well fitted to the first-order kinetics. In household washing experiment with surfactant, dislodgeable portions on pepper leaves of bitertanol and tebuconazole were occupied 36% and 48% of the residues found 24 days after application.
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초등학교 환경교육 교재로서 친환경 앱의 적합성 분석 및 활용 방안 연구
정봄이(Jung, Bomi),이상원(Lee, Sang Won),정몽희(Jung, Mong Hee) 학습자중심교과교육학회 2014 학습자중심교과교육연구 Vol.14 No.12
본 연구는 친환경 앱을 환경교육 교재로서의 적합성과 교육용 앱으로서 특성을 분석하여, 교육적 활용 방안을 제시하기 위한 목적에서 수행되었다. 이를 위하여 공공기관에서 개발하였거나 ‘2012 저탄소 녹색성장 박람회’를 통해 소개된 친환경 앱 33개를 분석 대상으로 선정하고, 국가 환경교육 표준지침을 바탕으로 내용 분석과 소프트웨어 교재로서 적합성 분석을 하여 초등환경교육 교재로서 앱의 적합성을 검증하였다. 그리고 교육용 앱으로서 친환경 앱의 활용 유형과 상호작용 유형을 분석 하여 그 활용 방안을 제시하였다. 연구 결과, 친환경 앱은 내용면에서 초등환경교육 교재로서 적합성이 있는 것으로 나타났다. 소프트웨어 교재로서 친환경 앱의 적합성은 앱에 따라 다소 상이하게 나타났으나, 교수전략면에서 동기유발에 효과적이고 학생 수준에 적합하며, 기능면에서 사용의 편리성, 높은 안정성, 용이한 유지 및 관리로 교육용으로 적합성이 비교적 높았다. 교육용 앱 면에서 친환경 앱의 대부분은 자료제시형, 도구형이며, 학습자·콘텐츠간의 상호작용만을 지원하고 있어 편중되어 있다. 이러한 일부 제한점이 있으나, 친환경 앱의 내용 및 특성을 고려한 교수·학습 과정을 설계한다면 환경교육 교재로써 효과적으로 활용할 수 있을 것이다. 이러한 특성을 가지는 친환경 앱을 교과수업시간에 활용하기 위해서는 교과 내용과 관련된 적절한 친환경 앱을 선택하는 일이 중요하므로 앱 활용에 적합한 교과별 단원 및 활용전략을 제시하였다. 창의적 체험활동과 같은 교과수업 외 시간에 친환경 앱을 활용하여 환경에 대한 관심을 높이고 친환경 생활을 실천하도록 할 수 있다. 결론적으로 초등환경교육의 활성화를 위하여 양질의 친환경 앱이 지속적으로 개발·관리되면 친환경 앱을 통하여 환경교육의 효과를 제고할 수 있을 것으로 사료된다. The purpose of this study was to investigate the utilization of the pro- environmental apps as learning materials in elementary environmental education through the analysis of the apps. In the pursuit of this purpose, 30 pro-environmental apps which is developed by public organizations and introduced by ‘Low Carbon Green Growth Expo 2012’ were analyzed by criterion of certification in learning software and the national standard guidelines for the environmental education. Then they were also analyzed by criterion of application and interaction types as educational apps. All the apps including the environmental education contents were suitable as elementary environmental learning materials. The suitability of each pro- environmental app as learning software have shown a little differently. But, it had high suitability as learning software, because developed to effectively in motivation of students in terms of the teaching strategies, and easy to use, reliable, and easy to manage/maintain in terms functional. As a result of analyzing the utilization and interation types of pro-environmental apps, it is shown that the most of apps categorized to be of either ‘data presentation’ or ‘tool’ type, and only between the learner and the contents type. Therefore, it is required for the teachers to complement limited types of utilization and interaction when designing the classes using the apps as education materials. The utilization of pro-environmental apps in the elementary environmental education are as follows. During class time, a classified table of pro- environmental apps which are classified by the contents system for the environmental education would be useful to connect with curriculum. And pro-environmental apps can be used extra-curricular activities such as a creative experiential activity as tools for environmental education. In conclusions, the continuous development and management of pro-environmental apps is needed to enhance the effectiveness and efficiency of elementary environmental education.
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농약 : 시설재배 고추중 Bitertanol 및 Tebuconazole 잔류양상
성기용 ( Seong Gi Yong ),최규일 ( Choe Gyu Il ),정몽희 ( Jeong Mong Hui ),허장현 ( Heo Jang Hyeon ),김정규 ( Kim Jeong Gyu ),이규승 ( Lee Gyu Seung ) 한국응용생명화학회 2004 Applied Biological Chemistry (Appl Biol Chem) Vol.47 No.1
Persistence of the triazole fungicides, bitertanol and tebucnazole was investigated after their application at recommended and double rate on greenhouse-grown peppers. The half-life of bitertanol and tebuconazole on peppers at recommended and double rate was 5.2~6.1 and 4.6~5.2 days, respectively. Half-lives of bitertanol and tebuconazole on pepper leaves (16.8~22.5 days) was longer than those in the peppers. Residual concentration of bitertanol and tebuconazole on pepper leaves 24 days after application were 10.1 and 17.5 ㎎/㎏, respectively, and these levels were higher than MRL which had been established at 3.0 and 5.0 ㎎/㎏ in Korea. Pattern of dissipation was well fitted to the first-order kinetics. In household washing experiment with surfactant. dislodgeable portions on pepper leaves of bitertanol and tebuconazole were occupied 36% and 48% of the residues found 24 days after application.
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