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제초제 Quizalofop - Ethyl 의 토양중 행방
김희권,윤봉기,박인진,서용택 ( Hee Kwon Kim,Bong Ki Yun,In Jin Park,Yong Tack Shu ) 한국환경농학회 1996 한국환경농학회지 Vol.15 No.4
This study was conducted to find out the residual aspect and the effect of quizalofop-ethyl on microorganisms used to control broad-leaf weeds at Yeongok soil series, the experiment field, Chonnam R.D.A. and Namwon soil series, the experiment field, Jeju R.D.A. More than 60 percent of quizalofop-ethyl treated in soil was degraded within 7 days. The degradation of quizalofop-ethyl in soil increased rapidly with incubation temperature. The half-life of quizalofop-ethyl in soil was 15 days(Yeongok series) and 16 days(Namwon series). The number of microorganisms in soil treated with quizalofop-ethyl decreased prominently with incubation time. But the number of Fusarium did not reduce in comparison with that of other soil microorganisms. Therefore, it was thought that the decomposition of quizalofop-ethyl in soil was affected by Fusarium.