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Volatilization of Sprayed Pesticides in Greenhouse using a Lysimeter

라이시미터를 이용한 시설하우스 내에 살포한 농약의 휘산 양상

  • Kim, Danbi (Department of Agro-food Safety and Crop Protection, National Institute of Agriculture Science, Rural Development Administration) ;
  • Kim, Taek-Kyum (Research Policy Bureau, Rural Development Administration) ;
  • Kwon, HyeYong (Department of Agro-food Safety and Crop Protection, National Institute of Agriculture Science, Rural Development Administration) ;
  • Hong, Su-Myeong (Department of Agro-food Safety and Crop Protection, National Institute of Agriculture Science, Rural Development Administration) ;
  • Park, Byung-Jun (Department of Agro-food Safety and Crop Protection, National Institute of Agriculture Science, Rural Development Administration) ;
  • Lim, Sung-Jin (Department of Agro-food Safety and Crop Protection, National Institute of Agriculture Science, Rural Development Administration) ;
  • Lee, Hyo-Sub (Department of Agro-food Safety and Crop Protection, National Institute of Agriculture Science, Rural Development Administration) ;
  • Moon, Byeong-Cheol (Department of Agro-food Safety and Crop Protection, National Institute of Agriculture Science, Rural Development Administration)
  • 김단비 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 김택겸 (농촌진흥청 연구정책국) ;
  • 권혜영 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 홍수명 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 박병준 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 임성진 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 이효섭 (농촌진흥청 국립농업과학원 농산물안전성부) ;
  • 문병철 (농촌진흥청 국립농업과학원 농산물안전성부)
  • Received : 2016.10.11
  • Accepted : 2016.11.17
  • Published : 2016.12.31

Abstract

In cultivation environment, various pesticides are used and some of them could be volatilized into the air. This could affect farmer's health and also cause environmental pollution. This study was carried out to investigate the volatilization of pesticides, and use the reference data for preventing farmer's pesticide intoxication and securing worker safety. The experiment was conducted in a greenhouse using a lysimeter which was of $1m^2$ area and 1.5 m depth filled with upland soil. The pesticides treated in lysimeter soil were ethoprophos (5.0% GR), diazinon (34.0% EC), alachlor (43.7% EC), metolachlor (40.0% EC), chlorpyrifos (2.0% GR), pendimethalin (31.7% EC), carbaryl (50.0% WP), napropamide (50% WP), tebuconazole (25.0% WP) and imidacloprid (2.0% GR). Each pesticide was treated at a concentration of 770.5 mg based on A.I (%). The recovery of pesticide ranged from 77.4 to 99.3%. The volatilized pesticides in air were collected by personal air sampler with PUF tube at 4 l/min flow rate. In addition, temperature and humidity were measured. The collected samples were extracted using acetone in a soxhlet apparatus for 8 hours. The extracted pesticides were resoluted with acetonitrile and diluted 5 times. It was analyzed with LC-MS/MS. For 720 hours experiment, the largest vaporization amount of each pesticide in air was ethoprophos $15.24{\mu}g/m^3$, diazinon $5.14{\mu}g/m^3$, pendimethalin $2.70{\mu}g/m^3$, chlorpyrifos $1.76{\mu}g/m^3$, alachlor $1.40{\mu}g/m^3$, metolachlor $1.12{\mu}g/m^3$, carbaryl $0.27{\mu}g/m^3$, napropamide $0.22{\mu}g/m^3$, tebuconazole $0.11{\mu}g/m^3$ and imidacloprid $0.05{\mu}g/m^3$. The R value (coefficient of correlation) between volatilization and vapor pressure of pesticides is higher than 0.99. Therefore, there is high correlation between volatilization and vapor pressure of pesticides.

Acknowledgement

Supported by : 국립농업과학원

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Cited by

  1. Volatilization and Residues into Air, Soil, Plant of Insecticide Cadusafos and Tefluthrin in Greenhouse vol.21, pp.2, 2017, https://doi.org/10.7585/kjps.2017.21.2.175