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@ARTICLE{Mohammed:1032539,
      author       = {Mohammed, Gihan and Siebers, Nina and Merbach, Ines and
                      Seidel, Sabine J. and Herbst, Michael},
      title        = {{S}imulation of soil phosphorus dynamics and crop yield for
                      organic and mineral fertilization treatments at two
                      long-term field sites},
      journal      = {The science of the total environment},
      volume       = {957},
      issn         = {0048-9697},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2024-06327},
      pages        = {177517 -},
      year         = {2024},
      abstract     = {The efficacy of phosphorus (P) based fertilizers is
                      frequently compromised by soil dynamics that render much
                      ofthe applied P unavailable for crops. This study aimed to:
                      (i) validate a new P model's prediction of plant-availableP;
                      (ii) analyze the effects of organic versus mineral
                      fertilization on P availability and crop yield; and (iii)
                      examinetemporal changes in P pools under various
                      fertilization regimes. Data were collected from two
                      long-term fieldtrials, Dikopshof and Bad Lauchst¨adt, in
                      Germany, using organic (FYM), mineral (MIN), a combination
                      of organicand mineral (MIX) fertilizers, and unfertilized
                      treatments. The AgroC model, incorporating a new P
                      module,accurately predicted P dynamics in cropped plots. At
                      both sites, MIX presented the highest yield, P removal,
                      totalP and available soil P. After 120 years of repeated P
                      fertilization, simulations at Dikopshof revealed a positive
                      Pbalance in MIN (11.1 $\%$ with observed 13 $\%)$ and in MIX
                      (15 $\%$ with observed 15 $\%),$ but negative in FYM (-
                      $4.9\%$ with observed - 5 $\%).$ However, at Bad
                      Lauchst¨adt, the P balance was negative in all treatments
                      except in MIN(+1.04 $\%),$ indicating P depletion. Among
                      crops, cereals showed the most variated yields, with P-use
                      efficiencyranging from 50 $\%$ to 99 $\%,$ while sugar beet
                      presented the highest P-use efficiency (up to 122 $\%).$ The
                      lowest Papplication rates exhibited, FYM treatment, the
                      highest P-use efficiency for all crops. Model pools were
                      successfullylinked to field-measured soil P fractions using
                      CAL and DGT methods, providing initial predictions ofvarious
                      soil P fractions across different fertilization strategies.},
      cin          = {IBG-3},
      ddc          = {610},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      doi          = {10.1016/j.scitotenv.2024.177517},
      url          = {https://juser.fz-juelich.de/record/1032539},
}