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@ARTICLE{Liu:827984,
author = {Liu, Shurong and Berns, Anne E. and Vereecken, Harry and
Wu, Di and Brüggemann, Nicolas},
title = {{I}nteractive effects of {M}n{O}$_{2}$, organic matter and
p{H} on abiotic formation of {N}$_{2}${O} from hydroxylamine
in artificial soil mixtures},
journal = {Scientific reports},
volume = {7},
issn = {2045-2322},
address = {London},
publisher = {Nature Publishing Group},
reportid = {FZJ-2017-02006},
pages = {39590 -},
year = {2017},
abstract = {Abiotic conversion of the reactive nitrification
intermediate hydroxylamine (NH2OH) to nitrous oxide (N2O) is
a possible mechanism of N2O formation during nitrification.
Previous research has demonstrated that manganese dioxide
(MnO2) and organic matter (OM) content of soil as well as
soil pH are important control variables of N2O formation in
the soil. But until now, their combined effect on abiotic
N2O formation from NH2OH has not been quantified. Here, we
present results from a full-factorial experiment with
artificial soil mixtures at five different levels of pH,
MnO2 and OM, respectively, and quantified the interactive
effects of the three variables on the NH2OH-to-N2O
conversion ratio (RNH2OH-to-N2O). Furthermore, the effect of
OM quality on RNH2OH-to-N2O was determined by the addition
of four different organic materials with different C/N
ratios to the artificial soil mixtures. The experiments
revealed a strong interactive effect of soil pH, MnO2 and OM
on RNH2OH-to-N2O. In general, increasing MnO2 and decreasing
pH increased RNH2OH-to-N2O, while increasing OM content was
associated with a decrease in RNH2OH-to-N2O. Organic matter
quality also affected RNH2OH-to-N2O. However, this effect
was not a function of C/N ratio, but was rather related to
differences in the dominating functional groups between the
different organic materials.},
cin = {IBG-3},
ddc = {000},
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:000393158900001},
pubmed = {pmid:28145407},
doi = {10.1038/srep39590},
url = {https://juser.fz-juelich.de/record/827984},
}