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@ARTICLE{Li:902356,
      author       = {Li, Zhijie and Reichel, Rüdiger and Xu, Zhenfeng and
                      Vereecken, Harry and Brüggemann, Nicolas},
      title        = {{R}eturn of crop residues to arable land stimulates {N}2{O}
                      emission but mitigates {NO}3− leaching: a meta-analysis},
      journal      = {Agronomy for sustainable development},
      volume       = {41},
      number       = {5},
      issn         = {1773-0155},
      address      = {Heidelberg},
      publisher    = {Springer},
      reportid     = {FZJ-2021-04205},
      pages        = {66},
      year         = {2021},
      abstract     = {Incorporation of crop residues into the soil has been
                      widely recommended as an effective method to sustain soil
                      fertility and improve soil carbon sequestration in arable
                      lands. However, it may lead to an increase in the emission
                      of nitrous oxide (N2O) and leaching of nitrate (NO3−) to
                      groundwater due to higher nitrogen (N) availability after
                      crop residue incorporation. Here, we conducted a
                      meta-analysis based on 345 observations from 90
                      peer-reviewed studies to evaluate the effects of crop
                      residue return on soil N2O emissions and NO3− leaching for
                      different locations, climatic and soil conditions, and
                      agricultural management strategies. On average, crop residue
                      incorporation significantly stimulated N2O emissions by
                      $29.7\%,$ but decreased NO3− leaching by $14.4\%.$ The
                      increase in N2O emissions was negatively and significantly
                      correlated with mean annual temperature and mean annual
                      precipitation, and with the most significant changes
                      occurring in the temperate climate zone. Crop residues
                      stimulated N2O emission mainly in soils with pH ranging
                      between 5.5 and 6.5, or above 7.5 in soils with low clay
                      content. In addition, crop residue application decreased
                      NO3− leaching significantly in soils with sandy loam,
                      silty clay loam, and silt loam textures. Our analysis
                      reveals that an appropriate crop residue management adapted
                      to the site-specific soil and environmental conditions is
                      critical for increasing soil organic carbon stocks and
                      decreasing nitrogen losses. The most important novel finding
                      is that residue return, despite stimulation of N2O
                      emissions, is particularly effective in reducing NO3−
                      leaching in soils with loamy texture, which are generally
                      among the most productive arable soils.},
      cin          = {IBG-3},
      ddc          = {640},
      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},
      UT           = {WOS:000703487000002},
      doi          = {10.1007/s13593-021-00715-x},
      url          = {https://juser.fz-juelich.de/record/902356},
}