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@ARTICLE{Tan:864365,
      author       = {Tan, Yuechen and Wu, Di and Bol, Roland and Wu, Wenliang
                      and Meng, Fanqiao},
      title        = {{C}onservation farming practices in winter wheat–summer
                      maize cropping reduce {GHG} emissions and maintain high
                      yields},
      journal      = {Agriculture, ecosystems $\&$ environment},
      volume       = {272},
      issn         = {0167-8809},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2019-04160},
      pages        = {266 - 275},
      year         = {2019},
      abstract     = {No-till (NT), straw incorporation (SI) and optimized N
                      fertilization are important mitigation options for reducing
                      greenhouse gas (GHG) emissions from agroecosystems. These
                      measures may also help to maintain high crop production and
                      are frequently recommended for use in northern China. Few
                      studies, however, have addressed the interactive effects of
                      these conservation and fertilization practices with respect
                      to GHG emissions and crop yields. We report on a field
                      experiment conducted in two consecutive dry years
                      (2013–2015) when precipitation was much lower than the
                      long-term average. We examined the effects of three
                      different N fertilizer application rates, tillage practice
                      and straw management on crop yields, GHG, area-scaled GHG
                      (in global warming potential) and net ecosystem economic
                      budget (NEEB) of a winter wheat-summer maize rotation system
                      in northern China. Results showed that reducing N fertilizer
                      significantly decreased soil N2O emissions without affecting
                      annual crop yields. Compared with the average of all other
                      fertilization treatments, the no-till × straw
                      incorporation (NT × SI) practice increased both wheat
                      and maize yields. However, in the maize season, NT also
                      increased cumulative N2O emissions compared with
                      conventional tillage (CT). The practices of combining N
                      fertilization with straw management conferred an additional
                      effect on N2O emissions when compared with single practices
                      (i.e. fertilization or straw management). Compared with
                      straw removal (SR) treatments, SI increased annual
                      cumulative N2O emissions by $37\%$ for the conventional N
                      fertilization, but decreased them by $13\%$ at the optimized
                      N fertilization. Neither single practice nor integrated
                      practices had a significant effect on cumulative CH4 uptake.
                      The highest NEEB values were obtained in
                      NT × SI × optimal N fertilization (OPT) and
                      NT × SR × OPT in the 1st and 2nd cropping years,
                      respectively. We conclude that, when considering the
                      additional benefits of SI for improving soil fertility and C
                      sequestration, the NT × SI × OPT practice would be
                      a viable strategy to achieve high crop yields, while
                      simultaneously reducing GHG emissions.},
      cin          = {IBG-3},
      ddc          = {640},
      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:000468247700028},
      doi          = {10.1016/j.agee.2018.12.001},
      url          = {https://juser.fz-juelich.de/record/864365},
}