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@ARTICLE{Leal:860972,
      author       = {Leal, Daniela Piaz Barbosa and Dick, Deborah Pinheiro and
                      Stahl, Anna Meike and Köppchen, Stephan and Burauel, Peter},
      title        = {{A}trazine degradation patterns: the role of straw cover
                      and herbicide application history},
      journal      = {Scientia agricola},
      volume       = {76},
      number       = {1},
      issn         = {1678-992X},
      address      = {Piracicaba},
      reportid     = {FZJ-2019-01605},
      pages        = {63 - 71},
      year         = {2019},
      abstract     = {In Brazil, atrazine (ATZ) is widely applied to maize (Zea
                      mays L.) fields for weed control. The presence of ATZ and
                      its metabolites in soil and water matrices has become a
                      matter of some concern for governmental authorities as well
                      as for society at large. This study evaluated the patterns
                      of ATZ degradation (mineralization, extractable and
                      non-extractable ATZ residues, and metabolite formation) in a
                      Brazilian Typic Paleudult. Soil samples from a cultivated
                      area under a no-tillage system with a history of ATZ
                      application were incubated with 14C-ATZ in both the presence
                      and absence of straw cover on the soil surface, and the
                      evolved 14CO2 was determined by liquid scintillation.
                      Samples from an area with native vegetation, adjacent to the
                      cultivated area, were also incubated as a control. A higher
                      mineralization of ATZ was observed in the cultivated soil (>
                      85 $\%)$ in comparison with the native soil (10 $\%)$ after
                      85 days of incubation. In addition to the higher
                      mineralization and hydroxyatrazine (HA) formation, a rapid
                      decrease in the water-extractable residues was observed in
                      the cultivated soil. When the cultivated soil was covered
                      with straw, mineralization was reduced by up to 30 $\%$
                      although a small amount of remobilization to the soil
                      occurred within the 85 days. Straw cover hindered the
                      degradation of ATZ in cultivated soils; whereas an
                      accelerated biodegradation was due to repeated applications
                      of ATZ, which may have selected microbiota more skilled at
                      biodegrading the herbicide.},
      cin          = {IBG-3},
      ddc          = {640},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000446980300009},
      doi          = {10.1590/1678-992x-2017-0230},
      url          = {https://juser.fz-juelich.de/record/860972},
}