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@ARTICLE{Wu:820633,
      author       = {Wu, Di and Senbayram, Mehmet and Well, Reinhard and
                      Brüggemann, Nicolas and Pfeiffer, Birgit and Loick, Nadine
                      and Stempfhuber, Barbara and Dittert, Klaus and Bol, Roland},
      title        = {{N}itrification inhibitors mitigate {N}$_{2}${O} emissions
                      more effectively under straw-induced conditions favoring
                      denitrification},
      journal      = {Soil biology $\&$ biochemistry},
      volume       = {104},
      issn         = {0038-0717},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2016-05902},
      pages        = {197 - 207},
      year         = {2017},
      abstract     = {The application of reactive nitrogen (N) in the form of
                      synthetic/organic fertilizers plays a central role in
                      supporting a larger human population, but also contributes
                      to global warming through the emission of nitrous oxide
                      (N2O). The use of nitrification inhibitors (NIs) has
                      repeatedly been shown to minimize N2O emissions; however,
                      their effectiveness in reducing N2O emissions varies greatly
                      under different environmental conditions. A better
                      understanding of how and to what extent NIs can mitigate
                      fertilizer-related soil-borne N2O emissions under a range of
                      different conditions is required. In the present study, we
                      carried out a soil incubation experiment in a fully
                      automated continuous-flow incubation system under conditions
                      favoring either nitrification- or denitrification-derived
                      N2O emissions. Additionally, the abundance of AOB amoA, and
                      AOA amoA genes was quantified and N2O isotopic signatures
                      were analyzed. We mixed a common NI (PIADIN®) with mineral
                      fertilizer (ammonium sulfate) and examined the N2O
                      mitigation potential of the NI in a fertilized sandy soil
                      (low denitrification potential) and a sandy soil mixed with
                      wheat straw (high denitrification potential) at $70\%$ water
                      holding capacity (WHC). In non-NI treatments, the addition
                      of straw led to a drastic increase of CO2 and N2O emissions
                      compared to the non-straw-amended soils, suggesting
                      stimulated microbial activity and higher denitrification
                      rate. The NI reduced N2O emissions in the straw-amended
                      treatment by $41\%,$ whereas in the treatment without straw
                      this was only $17\%.$ With the combination of N2O isotopic
                      signatures and functional gene abundances, fungal
                      denitrification was considered to be the major process
                      contributing to the higher N2O fluxes specifically in
                      straw-amended soils. Overall, our study indicated that NI
                      can be used as an effective method for mitigating N2O
                      emissions in cropland specifically when the denitrification
                      potential is high, e.g. in moist N-fertilized and
                      straw-amended soils.},
      cin          = {IBG-3},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000389555900019},
      doi          = {10.1016/j.soilbio.2016.10.022},
      url          = {https://juser.fz-juelich.de/record/820633},
}