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@INPROCEEDINGS{Jablonowski:1032194,
      author       = {Jablonowski, Nicolai David and Ohrem, Benedict and
                      Kuchendorf, Christina and Kuhn, Arnd Jürgen and Klose,
                      Holger},
      title        = {{INVESTIGATING} {MARGINAL} {SOILS} {FOR} {IMPROVED} {AND}
                      {SUSTAINABLE} {CROP} {PRODUCTION} {IN} {A} {UNIQUE}
                      {RESEARCH} {FIELD} {INFRASTRUCTURE}},
      reportid     = {FZJ-2024-06063},
      year         = {2024},
      note         = {Invited Keynote Lecture in the Division of General Crops
                      and Products},
      abstract     = {In the context of a sustainable, bio-based economy, the
                      production and sufficient provision of biomass for material
                      and/or energy applications is a critical bottleneck. To
                      avoid land use conflicts with food production in biomass
                      generation, it is essential to utilize previously unused
                      and/or agriculturally non-viable, nutrient-poor marginal
                      soils and to enhance and make them suitable for plant
                      production. This goal is pursued, among other things, by the
                      scientific endeavors at the unique "Marginal Field Lab
                      (MFL)". This includes the development and execution of field
                      experiments that i) evaluate the transferability and further
                      development of results obtained from laboratory and
                      greenhouse trials in a "lab to field" approach, and ii)
                      demonstrate the usability of the experimental field and the
                      plantings for further research approaches, including food
                      and feed production.This newly established and artificially
                      created research field is located in central-west Germany,
                      on the spoil heap of the Hambach opencast mine in the
                      Rhenish mining area. In collaboration with the energy
                      company RWE, a sandy substrate from the opencast mine was
                      deposited on an area of more than 4 hectares. This substrate
                      contains neither organic carbon (Corg) nor other
                      plant-relevant nutrients. It is characterized by a very high
                      sand and gravel content and low water holding capacity.
                      Targeted fertilization strategies, such as subsurface
                      fertilization with digestate, humic acids, and algae biomass
                      compared to mineral NPK fertilizer, are tested for the
                      cultivation of economically relevant and alternative
                      (biomass) plants. These include perennial plants such as
                      Miscanthus x giganteus, Sida hermaphrodita, Silphium
                      perfoliatum, the biennial plant Mellilotus officinalis, and
                      the annual plants Carthamus tinctorius and Hordeum vulgare.
                      Additionally, the trial cultivation of Cannabis sativa and
                      Crotalaria juncea is planned.By installing suction cups at
                      several locations in defined soil depths and regularly
                      taking soil samples, the possible leaching of applied
                      nutrients and the plant-induced Corg enrichment in the soil
                      are investigated. The overarching goal is to make statements
                      about the suitability of various plants for cultivation on
                      opencast mine terraces and residual areas, to subject these
                      unused fallow lands to economically meaningful interim use.
                      In addition to carbon sequestration by the plants, erosion
                      of these areas is prevented, and ecosystem services are
                      implemented. The obtained biomasses are intended to be used
                      as raw materials for bio-based industries, such as
                      fiber/paper and oil/chemical companies, in the context of
                      regional structural change.Presenting these research
                      projects at the AAIC Conference 2024 aims to publicize the
                      outlined project activities in the context of sustainable
                      biomass production on marginal soils and to potentially
                      initiate future collaborative projects.},
      month         = {Sep},
      date          = {2024-09-01},
      organization  = {35th Annual Association for
                       Advancement of Industrial Crops (AAIC)
                       conference, Lisbon (Portugal), 1 Sep
                       2024 - 5 Sep 2024},
      subtyp        = {Invited},
      cin          = {IBG-2},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {2171 - Biological and environmental resources for
                      sustainable use (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2171},
      typ          = {PUB:(DE-HGF)6},
      url          = {https://juser.fz-juelich.de/record/1032194},
}