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@ARTICLE{Kyung:203413,
      author       = {Kyung, Kee Sung and Ahn, Ki Chang and Kwon, Jeong Wook and
                      Lee, Yong Pil and Lee, Eun Young and Kim, Yun Jeong and
                      Führ, Fritz and Lee, Jae Koo},
      title        = {{L}ong-term fate of the herbicide mefenacet in a rice-grown
                      lysimeter over a period of 6 consecutive years},
      journal      = {Journal of the Korean Society for Applied Biological
                      Chemistry},
      volume       = {58},
      number       = {1},
      issn         = {2234-344X},
      address      = {The Korean Society for Applied Biological Chemistry,
                      co-published with Springer},
      publisher    = {The Korean Society for Applied Biological Chemistry,
                      co-published with Springer},
      reportid     = {FZJ-2015-05356},
      pages        = {35 - 43},
      year         = {2015},
      abstract     = {To show the long-term fate of the herbicide mefenacet in
                      rice paddies, [aniline-14C]mefenacet was applied to a
                      lysimeter of loamy soil with a depth of 1 m, and rice plants
                      were cultivated for 6 consecutive years according to the
                      conventional methods in Korea. Mineralization of
                      [14C]mefenacet to 14CO2 and volatilization from the soil
                      surface were 12.01 and 0.02 $\%,$ respectively, of the
                      originally applied amount during the first 23 weeks
                      following application. Throughout the 6-year period, the
                      total proportion of 14C-radioactivity that leached through
                      the lysimeter soil was 0.778 $\%$ of the original
                      radioactivity. The total 14C-radioactivity absorbed and
                      translocated by rice plants throughout the 6 years was 2.46
                      $\%$ of the applied 14C. Measurement of the
                      14C-radioactivity distributed in each part of the rice plant
                      (the straw, the ears without rice grain, the chaff, and the
                      brown rice grain) indicated that the amount of 14C in straw
                      was 25.87 times higher than that in brown rice grain over
                      the 6 years. The 14C-radioactivity remaining in the soil
                      layer after 6 years was 44.58 $\%$ of that applied, 91.45
                      $\%$ of which was distributed in the upper 0–20-cm layer.
                      These results strongly indicate that mefenacet moved
                      downward very slowly and more than half of the herbicide
                      applied was released into the air, mainly through
                      mineralization to CO2 in soil during the experimental
                      period.},
      cin          = {IBG-3},
      ddc          = {630},
      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:000354354700006},
      doi          = {10.1007/s13765-015-0048-4},
      url          = {https://juser.fz-juelich.de/record/203413},
}