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@ARTICLE{Kasteel:11425,
      author       = {Kasteel, R. and Pütz, T. and Vanderborght, J. and
                      Vereecken, H.},
      title        = {{F}ate of two herbicides in zero-potential lysimeters and
                      in field soil},
      journal      = {Journal of environmental quality},
      volume       = {39},
      issn         = {0047-2425},
      address      = {Madison, Wis.},
      publisher    = {ASA [u.a.]},
      reportid     = {PreJuSER-11425},
      pages        = {1451 - 1466},
      year         = {2010},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {In Germany, zero-tension lysimeters are used as parr of the
                      registration requirements in case pesticides pose a
                      potential threat to conrtaminate the groundwater However,
                      the water regime and the method of pesticide sampling differ
                      between the lysimeters and the field We monitored the
                      transport of the two herbicides ethidimuron [1-(5-
                      erhylsulfonyl-1,3,4-thiadiazol-1-2-yl)-1,3-dimethylurea]
                      (ETD) and methabenzthiazuron
                      [1-benzothiazol-2-yl-1,3-dimethyl-urea] (MBT) and their main
                      metabolite, accompanied with bromide as conservative tracer,
                      in zero-tension lysimeters filled with undisturbed soil and
                      in the field The herbicides were applied as a short pulse to
                      the bare soil surface Herbicide concentrations were analyzed
                      in the drainage water of the 1 2-m-deep lysimeters and from
                      soil cores taken from the field during six campaigns Soil
                      coring in the field emphasized matrix flow and allowed us to
                      estimate the field-based dissipation and sorption parameters
                      Based on mass recovery calculations, the field fine was 870
                      d for ETD compared with 389 d for its main metabolite The
                      initially fast field-based dissipation of MBT with a
                      half-life value of approximately 1 mo was followed by a much
                      slower dissipation The retardation factor was estimated from
                      the concentration profiles by Inversely solving the
                      convection dispersion equation and yielded 18 2 +/- 1.3 for
                      ETD and 36 9 +/- 17 5 for MBT For the lysimeters, a leaching
                      period of 2 1/2 yr was too short to monitor bulk herbicide
                      mass through the sod matrix Only $1.7\%$ of the applied EDT
                      and 1 $4\%$ of the applied MBT were sampled in the drainage
                      water at 1.2 m depth. Despite contrasting sorption and
                      dissipation properties. both herbicides appeared fast and at
                      the same time in the drainage water, hinting at preferential
                      flow phenomena. Compared with field fare of herbicides
                      measured by soil coring, zero-potential lysimeters emphasize
                      the transport of small amounts of herbicides triggered by
                      preferential flow events.},
      keywords     = {J (WoSType)},
      cin          = {ICG-4 / JARA-ENERGY / JARA-HPC},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)VDB793 / $I:(DE-82)080011_20140620$ /
                      $I:(DE-82)080012_20140620$},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Environmental Sciences},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000279514200034},
      doi          = {10.2134/jeq2009.0236},
      url          = {https://juser.fz-juelich.de/record/11425},
}