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@ARTICLE{RoblesAguilar:866805,
      author       = {Robles-Aguilar, Ana A. and Schrey, Silvia D. and Postma,
                      Johannes A. and Temperton, Vicky M. and Jablonowski, Nicolai
                      D.},
      title        = {{P}hosphorus uptake from struvite is modulated by the
                      nitrogen form applied},
      journal      = {Journal of plant nutrition and soil science},
      volume       = {183},
      number       = {1},
      issn         = {1436-8730},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {FZJ-2019-05870},
      pages        = {80-90},
      year         = {2019},
      abstract     = {Next to nitrogen, phosphorus (P) is the most limiting
                      nutrient for plant production worldwide. To secure food
                      production, new nutrient management strategies using
                      alternative P sources instead of mined P fertilizers need to
                      be implemented. Struvite (MgNH4PO4 · 6 H2O) is a promising
                      example of a recycled mineral P fertilizer. Besides positive
                      agronomic results regarding crop yields, further
                      investigations are required to improve the use efficiency of
                      the product and thereby increase its value. Using an
                      automated plant phenotyping platform, we investigated the
                      dynamic response to struvite by two plant species (lupine
                      and maize) with diverse P acquisition strategies in an
                      acidic sandy substrate. Although at three weeks after
                      germination both maize and lupine had reduced leaf area in
                      the struvite treatments compared to the commercial triple
                      superphosphate (TSP), from week four onwards struvite plants
                      grew larger than the TSP‐treated plants, indicating a slow
                      release fertilizing effect. Greater P uptake efficiency (g /
                      root length), but reduced root length were observed in the
                      combined treatment of struvite and ammonium, in comparison
                      to struvite and nitrate. We propose that rhizosphere
                      acidification in response to ammonium uptake may enhance P
                      recovery from struvite. A possible additional acidification
                      effect by lupine root exudation might explain the higher P
                      uptake efficiency in this species compared to maize. We
                      conclude that struvite combined with ammonium can be used as
                      a sustainable slow‐release P fertilizer on acidic sandy
                      soils.},
      cin          = {IBG-2},
      ddc          = {640},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000498292400001},
      doi          = {10.1002/jpln.201900109},
      url          = {https://juser.fz-juelich.de/record/866805},
}