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Runoff of Azoxystrobin Applied in Pepper Field-lysimeter

고추 재배 포장 라이시메타를 이용한 Azoxystrobin의 유출 평가

  • Kim, Chan-Sub (Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Lee, Hee-Dong (Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Son, Kyeong-Ae (Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Gil, Geun-Hwan (Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Ihm, Yang-Bin (Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration)
  • 김찬섭 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 이희동 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 손경애 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 길근환 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 임양빈 (농촌진흥청 국립농업과학원 농산물안전성부)
  • Received : 2016.09.02
  • Accepted : 2016.09.28
  • Published : 2016.09.30

Abstract

To investigate runoff losses of azoxystrobin from the field by rainfall, the influence of slope degree and length on runoff rate of azoxystrobin from the pepper field were measured. The SC type formulation was applied at the pepper field lysimeter in 2004 and 2005. The azoxystrobin washed down from plant were from 21% to 68% of what the applied. Concentrations of azoxystrobin in the first runoffs were less than $50{\mu}gL^{-1}$. Runoff losses were from 0.26% to 0.59% for 10% slope-plots, from 0.66% to 0.96% for 20% slope-plots, and from 0.84% to 1.78% for 30% slope-plots. Then they decreased with increasing slope-length. Runoff loss of azoxystrobin was closely related to volume of runoff, it was reduced by the ridge and the mulching effect.

Acknowledgement

Grant : 고추재배 경사지 밭토양 중 농약의 이동성 연구, 농약품목의 만성환경유해성 분야 물질분류 및 표시 체계 개선

Supported by : 농촌진흥청

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  1. Runoff of Dimethomorph Applied in Pepper Field-lysimeter vol.21, pp.3, 2017, https://doi.org/10.7585/kjps.2017.21.3.289