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@INPROCEEDINGS{Barbosa:151227,
      author       = {Barbosa, Daniela and Nabel, Moritz and Horsch, David and
                      Tsay, Gabriela and Jablonowski, Nicolai David},
      title        = {{D}igestate as nutrient source for biomass produvtion of
                      sida, lucerne and maize},
      reportid     = {FZJ-2014-01220},
      year         = {2014},
      note         = {Geophysical Research Abstracts},
      abstract     = {Geophysical Research AbstractsVol. 16, EGU2014-9820,
                      2014EGU General Assembly 2014Biogas as a renewable energy
                      source is supported in many countries driven by climate and
                      energy policies. Nowa-days, Germany is the largest biogas
                      producer in the European Union. A sustainable resource
                      management hasto be considered within this growing scenario
                      of biogas production systems and its environmental impacts.
                      Inthis respect, studies aiming to enhance the management of
                      biogas residues, which represents a valuable sourceof
                      nutrients and organic fertilization, are needed. Our
                      objective was to evaluate the digestate (biogas residue
                      af-ter fermentation process) application as nutrient source
                      for biomass production of three different plants: sida
                      (Sidahermaphrodita - Malvaceae), lucerne (Medicago sativa -
                      Fabaceae) and maize (Zea mays – Poaceae). The digestatewas
                      collected from an operating biogas facility (fermenter
                      volume 2500m3, ADRW Natur Power GmbH $\&$ Co.KGTitz/Ameln,
                      Germany) composed of maize silage as the major feedstock,
                      and minor amounts of chicken manure,with a composition of
                      $3,29\%$ N; $1,07\%$ P; $3,42\%$ K; and $41,2\%$ C. An
                      arable field soil (Endogleyic Stagnosol)was collected from
                      0-30 cm depth and 5 mm sieved. The fertilizer treatments of
                      the plants were established in fivereplicates including
                      digestate (application amount equivalent to 40 t ha-1) and
                      NPK fertilizer (application amountequivalent to 200:100:300
                      kg ha-1) applications, according to the recommended
                      agricultural doses, and a control(no fertilizer
                      application). The digestate and the NPK fertilizer were
                      thoroughly mixed with the soil in a rotatoryshaker for 30
                      min. The 1L pots were filled with the fertilized soil and
                      the seedlings were transplanted and grownfor 30 days under
                      greenhouse conditions (16 h day/8 h night: 24ºC/18ºC;
                      $60\%$ air humidity). After harvesting,the leaf area was
                      immediately measured, and the roots were washed to allow
                      above and below-ground biomassdetermination. Subsequently,
                      shoots and roots were dried at 60ºC for 48 hours. The
                      biomass and leaf area of sida,lucerne and maize presented
                      similar performance for both digestate and the NPK
                      fertilizer applications, whichwere greater than the control,
                      showing a positive fertilizing effect of the digestate for
                      plant biomass production.Considering the biomass production
                      obtained with the digestate application for sida, lucerne
                      and maize, the resultsgive support for further field
                      experiments which aim to evaluate the fertilizing and
                      conditioning effect of digestates.},
      month         = {Apr},
      date          = {2014-04-12},
      organization  = {EGU General Assembly 2014, Vienna
                       (Austria), 12 Apr 2014 - 17 Apr 2014},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {89582 - Plant Science (POF2-89582)},
      pid          = {G:(DE-HGF)POF2-89582},
      typ          = {PUB:(DE-HGF)1},
      url          = {https://juser.fz-juelich.de/record/151227},
}