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@ARTICLE{Zhou:20287,
      author       = {Zhou, M. and Zhu, B. and Butterbach-Bahl, K. and Wang, T.
                      and Bergmann, J. and Brüggemann, N. and Wang, Z. and Li, T.
                      and Kuang, F.},
      title        = {{N}itrate leaching, direct and indirect nitrous oxide
                      fluxes from sloping cropland in the purple soil area,
                      southwestern {C}hina},
      journal      = {Environmental pollution},
      volume       = {162},
      issn         = {0269-7491},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {PreJuSER-20287},
      pages        = {361 - 368},
      year         = {2012},
      note         = {This study was gratefully supported by National Program on
                      Key Basic Research Plan of China (Grant No. 2012CB417101),
                      the National Science $\&$ Technology Pillar Program (Grant
                      No. 2011BAD31B03), the Helmholtz-CAS Joint Laboratory
                      ENTRANCE and the Natural Science Foundation of China (Grant
                      No. 40901144). Furthermore, we sincerely thank Mr. Yanqiang
                      Wang, Zebin Zeng and other staff at Yanting station for
                      their support in the field measurements.},
      abstract     = {This study provides a combined dataset on N loss pathways
                      and fluxes from sloping cropland in the purple soil area,
                      southwestern China. A lysimeter experiment was conducted to
                      quantify nitrate leaching (May 2004-May 2010) and N(2)O
                      emission (May 2009-May 2010) losses. Nitrate leaching was
                      the dominant N loss pathway and annual leaching fluxes
                      ranged from 19.2 to 53.4 kg N ha(-1), with significant
                      differences between individual observation years (P < 0.05).
                      Direct N(2)O emissions due to N fertilizer use were 1.72 ±
                      0.34 kg N ha(-1) yr(-1), which corresponds to an emission
                      factor of 0.58 ± $0.12\%.$ However, indirect N(2)O
                      emissions caused by nitrate leaching and surface runoff N
                      losses, may contribute another 0.15-0.42 kg N ha(-1) yr(-1).
                      Our study shows that nitrate leaching lowered direct N(2)O
                      emissions, highlighting the importance for a better
                      understanding of the tradeoff between direct and indirect
                      N(2)O emissions for the development of meaningful N(2)O
                      emission strategies.},
      keywords     = {China / Environmental Monitoring / Fertilizers: analysis /
                      Nitrates: analysis / Nitrogen Cycle / Nitrous Oxide:
                      analysis / Soil: analysis / Fertilizers (NLM Chemicals) /
                      Nitrates (NLM Chemicals) / Soil (NLM Chemicals) / Nitrous
                      Oxide (NLM Chemicals) / J (WoSType)},
      cin          = {IBG-3},
      ddc          = {333.7},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Environmental Sciences},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:22243886},
      UT           = {WOS:000301087800046},
      doi          = {10.1016/j.envpol.2011.12.001},
      url          = {https://juser.fz-juelich.de/record/20287},
}