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@INPROCEEDINGS{Schreiber:828385,
      author       = {Schreiber, Christina and Harrison, Lucy and Schrey, Silvia
                      and Ackermann, Bärbel and Nedbal, Ladislav and Hofmann,
                      Diana and Schiedung, Henning and Amelung, Wulf and
                      Mettler-Altmann, Tabea and Sadowsky, Andres and Hotopp, Ines
                      and Ebenhöh, Oliver},
      title        = {{A}lgal{F}ertilizer project:{A}lgae deliering nutrients
                      from phosphorous-rich media to soil and wheat},
      reportid     = {FZJ-2017-02346},
      year         = {2017},
      abstract     = {As an application-oriented part of the AlgalFertilizer
                      Project, we cultivated Chlorella vulgaris, IPPAS C1 in 3.6
                      m3 suspension in V-shaped plastic bag photobioreactors
                      (NovaGreen GmbH) in Jülich, Germany. The culture was grown
                      in batch regime in a P-rich medium. The thus produced algal
                      biomass was analyzed for nutrient content with special
                      regard to phosphorus and used as fertilizer to grow wheat in
                      a pot experiment under controlled phosphorus levels on
                      different substrates: sand and nutrient-poor ‘Null-Erde’
                      for controlled nutrient levels as well as a nutrient-rich
                      substrate (Dachstaudensubstrat, SoMi 513). The algal biomass
                      was mixed into the soil substrates either in form of
                      spray-dried powder or as a suspension of fresh cells
                      obtained by centrifugation to estimate P-exchange properties
                      of pre-treated and fresh biomass. Aiming at comparison to
                      standard Hoagland mineral fertilizer, we applied algae at
                      two different P-levels: high, corresponding to 45 kg(P)/ha
                      and low, corresponding to 4.5 kg(P)/ha. 150 pots were
                      prepared for the experiment. Each experimental variant was
                      represented by 10 pots of identical substrate and
                      fertilization treatment. One pre-germinated seed of wheat
                      (Triticum aestivum, var. Scirocco) was placed in each pot.
                      The plants were placed in a greenhouse on a robotic platform
                      that randomized position of individual pots and also ensured
                      uniform watering. Individual plants were moved regularly
                      with their pots into an imaging system that served to
                      quantify the plant growth. We also analyzed the dynamics of
                      nutrients in the soil. The results of the AlgalFertilizer
                      experiment lead us to conclude that microalgae are not only
                      very potent in sequestering phosphorus from nutrient rich
                      streams (Part 1 of this presentation) but that algal biomass
                      can be used as a very effective fertilizer and ameliorant of
                      nutrient-poor soils (Part 2 of this presentation).},
      month         = {Mar},
      date          = {2017-03-16},
      organization  = {IWA Conference on Algal Technologies
                       for Wastewater Treatment and Resource
                       Recovery, Delft (The Netherlands), 16
                       Mar 2017 - 17 Mar 2017},
      subtyp        = {Other},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582) / AF AlgalFertilizer -
                      AlgalFertilizer (20172303) / BioSC - Bioeconomy Science
                      Center (BioSC)},
      pid          = {G:(DE-HGF)POF3-582 / G:(BioSC)20172303 / G:(DE-Juel1)BioSC},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/828385},
}