Korean Journal of Environmental Agriculture (한국환경농학회지)

The Korean Society of Environmental Agriculture (한국환경농학회)
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Soil Adsorption of Herbicide Quizalofop-Ethyl

제초제 Quizalofop-Ethyl의 토양흡착

  • Kim, Hee-Kwon (Plant environment department, Chonnam Provincial Rural Development Administration) ;
  • Park, In-Jin (Plant environment department, Chonnam Provincial Rural Development Administration) ;
  • Shim, Jae-Han (Dept. of Agric. Chemistry, College of Agriculture, Chonnam University) ;
  • Shu, Yong-Tack (Dept. of Agric. Chemistry, College of Agriculture, Chonnam University)
  • Published : 1996.12.30
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Abstract

Quizalofop-ethyl is a herbicide which is extensively applied to soybean, onion, garlic, strawberry and watermelon to control broad-leaf weeds. The experiment was conducted to find out soil adsorption of this chemical. The soil adsorption of quizalofop-ethyl in both Yeongok and Namwon soil series reached an equilibrium 24 hours after shaking incubation. Correlation coefficients of Freundlich plot of both soils were 0.998 and 0.995, respectively. Adsorption constants(K) were 4.710 and 10.414, respectively. Amounts of soil adsorption of quizalofop-ethyl increased with an increase in soil organic matter and incubation temperature.

화본과 잡초를 방제하기 위하여 사용되고 있는 quizalofop-ethyl의 토양흡착 양상을 구명하기 위하여 실험을 수행한 결과는 다음과 같다. 제초제 quizalofop-ethyl이 토양흡착 평형에 도달하는 시간은 24시간이었으며 흡착등은 곡선에서 plateau를 형성하지 않았을 뿐만 아니라 토양 유기물 함량이 많을수록 온도가 높을 수록 흡착량은 증가하였다. Freundlich plot의 상관계수(r)값은 연곡통 0.998, 남원통 0.995이며 흡착상수(K)는 연곡통 4.710, 남원통 10.414였다.

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