섬유

persistence of pesticides in soil leachates: effect of ph, ultra-violet irradiation and temperature

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 242
the effects of ph, ultra-violet irradiation and temperature on the persistence and breakdown of dieldrin, endosulphan, gamma-hch and pyrolan were studied in leachates from a loam soil. except for dieldrin which remained exceptionally stable throughout the ph range, persistence of pesticides decreased progressively as ph increased after exposure to ultra-violet irradiation of 2537 $degree$ a wavelength, dieldrin was appreciably broken down in activated charcoal. pesticide losses from covered leachates incubated at different temperatures increased with increasing temperature. 24 refs