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@INPROCEEDINGS{Mehmood:172403,
      author       = {Mehmood, Khalid and Berns, Anne E. and Pütz, Thomas and
                      Burauel, Peter and Vereecken, Harry and Zoriy, Myroslav and
                      Flucht, Reinhold and Opitz, Thorsten and Hofmann, Diana},
      title        = {{S}oil-plant transfer of {C}s-137 and {S}r-90 in digestate
                      amended agriculturalsoils- a lysimeter scale experiment},
      journal      = {Geophysical research abstracts},
      volume       = {16},
      issn         = {1607-7962},
      address      = {Katlenburg-Lindau},
      publisher    = {Soc.},
      reportid     = {FZJ-2014-05883},
      pages        = {871},
      year         = {2014},
      abstract     = {Radiocesium and radiostrontium are among the most
                      problematic soil contaminants following nuclear fallout
                      dueto their long half-lives and high fission yields. Their
                      chemical resemblance to potassium, ammonium and
                      calciumfacilitates their plant uptake and thus enhances
                      their chance to reach humans through the food-chain
                      dramatically.The plant uptake of both radionuclides is
                      affected by the type of soil, the amount of organic matter
                      and theconcentration of competitive ions.In the present
                      lysimeter scale experiment, soil-plant transfer of Cs-137
                      and Sr-90 was investigated in anagricultural silty soil
                      amended with digestate, a residue from a biogas plant. The
                      liquid fraction of the digestate,liquor, was used to have
                      higher nutrient competition. Digestate application was done
                      in accordance with thefield practice with an application
                      rate of 34 Mg/ha and mixing it in top 5 cm soil, yielding a
                      final concentrationof 38 g digestate/Kg soil. The top 5 cm
                      soil of the non-amended reference soil was also submitted to
                      the samemixing procedure to account for the physical
                      disturbance of the top soil layer. Six months after the
                      amendmentof the soil, the soil contamination was done with
                      water-soluble chloride salts of both radionuclides,
                      resulting in acontamination density of 66 MBq/m2 for Cs-137
                      and 18 MBq/m2 for Sr-90 in separate experiments.Our results
                      show that digestate application led to a detectable
                      difference in soil-plant transfer of the
                      investigatedradionuclides, effect was more pronounced for
                      Cs-137. A clear difference was observed in plant uptake
                      ofdifferent plants. Pest plants displayed higher uptake of
                      both radionuclides compared to wheat. Furthermore,
                      loweractivity values were recorded in ears compared to stems
                      for both radionuclides.},
      month         = {Apr},
      date          = {2014-04-27},
      organization  = {EGU General Assembly 2014, Wien
                       (Österreich), 27 Apr 2014 - 2 May
                       2014},
      cin          = {IBG-3},
      ddc          = {550},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {245 - Chemicals in the Environment (POF2-245) / 255 -
                      Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF2-245 / G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)1 / PUB:(DE-HGF)16},
      url          = {https://juser.fz-juelich.de/record/172403},
}