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@INPROCEEDINGS{Nabel:280551,
      author       = {Nabel, Moritz and Temperton, Vicky and Poorter, Hendrik and
                      Jablonowski, Nicolai David},
      title        = {{E}nergizing marginal soils – {S}ida for sustainable
                      biomass production},
      reportid     = {FZJ-2016-00319},
      year         = {2015},
      abstract     = {A sustainable alternative to the cultivation of food-based
                      energy crops is the cultivation of dedicated energy crops on
                      marginal lands. To further increase the sustainability of
                      energy cropping the dependency on synthetic fertilizers
                      needs to be reduced via closed nutrient loops in the biomass
                      production cycle.We evaluated the growth of the high
                      potential energy plant Sida hermaphrodita (sida) on a
                      marginal sandy soil. We compared digestate from biogas
                      production with a commercial mineral NPK-fertilizer and an
                      unfertilized control for a whole growth-period under outdoor
                      conditions, with individual plants growing in large
                      microcosms. To further increase independency from
                      synthetically produced N-fertilizers, the legume plant
                      Medicago sativa was intercropped to fix atmospheric N2 into
                      the cropping system and to produce additional biomass.NPK
                      fertilization resulted in rapid growth in the first months
                      after planting compared to the organic digestate
                      application, but the latter extended the vegetation period
                      of sida by 20 days. Both fertilization treatments showed a
                      clearly increased biomass production compared with the
                      control plants without any fertilization. Intercropped
                      legume plants fixed additional N into the cropping system
                      and could increase biomass production even though they
                      reduced the yield of sida.We conclude that marginal lands
                      with soil characteristics that do not meet the requirements
                      for conventional crops can be used for biomass production
                      using perennial energy-crops such as Sida hermaphrodita in
                      specially adapted production systems.},
      month         = {Sep},
      date          = {2015-09-07},
      organization  = {Perennial Biomass Crops for a Resource
                       Constrained World, Hohenheim (Germany),
                       7 Sep 2015 - 10 Sep 2015},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)24},
      url          = {https://juser.fz-juelich.de/record/280551},
}