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@ARTICLE{GarciaRuiz:111946,
      author       = {Garcia-Ruiz, R. and Gomez-Munoz, B. and Hatch, D.J. and
                      Bol, R. and Baggs, E.M.},
      title        = {{S}oil mineral {N} retention and {N}2{O} emissions
                      following combined application of 15{N}-labelled fertiliser
                      and weed residues},
      journal      = {Rapid communications in mass spectrometry},
      volume       = {26},
      issn         = {0951-4198},
      address      = {New York, NY},
      publisher    = {Wiley Interscience},
      reportid     = {PreJuSER-111946},
      pages        = {2379 - 2385},
      year         = {2012},
      note         = {This research was carried out in the framework of the
                      'Olive grove project' of the General Secretary for Rural
                      Development and organic production of the Junta de
                      Andalucia, and with the economic help of the Minister of
                      Science and Technology of Spain through the project
                      referenced CGL200908303.},
      abstract     = {The combination of plant residues with inorganic
                      fertiliser-N provides the potential to increase N-use
                      efficiency in agricultural fruit production systems, such as
                      olive orchards. The development of weeds in the inter-canopy
                      area of olive orchards is encouraged as a novel strategy to
                      reduce soil erosion. However, little is known about soil N
                      retention or N(2) O production following the combined
                      application of inorganic-N with the mulched weed
                      residues.Emissions of (15) N-N(2) O and soil mineral (15) N
                      retention were measured following combined applications of
                      (15) N-labelled fertiliser and a range of olive crop weed
                      residues to a silty loam soil under controlled conditions.
                      These plant residues differed in their C:N ratios, lignin
                      and polyphenol contents.The magnitude of soil (15) N-NO(3)
                      (-) retention from combining plant residues and fertiliser-N
                      was highly dependent on potential N mineralisation
                      (r = -0.96) and the (lignin + polyphenol)-to-N ratio
                      (r = 0.98) of the residues. Fertiliser-N-derived
                      retention was zero for a legume-based mulch but up to $80\%$
                      in the treatment containing plant residues with a high
                      (lignin + polyphenol)-to-N ratio. N(2) O emissions
                      increased after the addition of residues, and increased
                      further (up to $128\%)$ following the combined application
                      of inorganic fertiliser and residues. Fertiliser-derived
                      (15) N-N(2) O was $<1.4\%$ of the total (14+15) N-N(2) O
                      emission and $<0.01\%$ of the applied (15) N-NO(3) (-) .
                      Enhanced N(2) O emissions following the application of
                      residues and the fertiliser-N values were positively
                      correlated with the C:N ratio of the residue. Thus,
                      combining organic- and inorganic-N immobilised a significant
                      proportion of the inorganic N with little increase in N(2)
                      O, especially in low C:N ratio residues.The results
                      demonstrate that whilst there is potential for N(2) O
                      emissions to be controlled by combining weed residues and
                      inorganic fertilisers, this is not easy to achieve as the
                      magnitude and direction of interactions vary between
                      different species due to their varying substrate qualities.},
      keywords     = {J (WoSType)},
      cin          = {IBG-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Biochemical Research Methods / Chemistry, Analytical /
                      Spectroscopy},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:22976203},
      UT           = {WOS:000308880500002},
      doi          = {10.1002/rcm.6254},
      url          = {https://juser.fz-juelich.de/record/111946},
}