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@ARTICLE{Liu:155359,
author = {Liu, Shurong and Hu, Ronggui and Zhao, Jinsong and
Brüggemann, Nicolas and Bol, Roland and Cai, Gaochao and
Lin, Shan and Shaaban, Muhammad},
title = {{F}looding effects on soil phenol oxidase activity and
phenol release during rice straw decomposition},
journal = {Journal of plant nutrition and soil science},
volume = {177},
number = {4},
issn = {1436-8730},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2014-04528},
pages = {541 - 547},
year = {2014},
abstract = {Phenol oxidase (Pox) plays a key role in soil C cycle and
its presence may affect soil C mineralization during crop
residue decomposition. To examine soil dynamics and
relationships between Pox, phenols, Fe2+, and C
mineralization, we designed a 53-d laboratory experiment
conducted with and without rice straw addition and under
non-flooded and flooded conditions. The results demonstrate
that rice straw can indeed decompose faster under flooded
conditions. The addition of rice straw significantly
increased soil Pox activity (up to 15-fold), but only under
flooded conditions. Rice straw application increased alkali
extractable phenol (AEP) concentration by $129\%$ at day 4.
However, flooded conditions reduced soil AEP by $61\%$ and
$49\%$ at day 53 with and without rice straw application,
respectively. Phenol oxidase activity was positively
correlated with dissolved organic C and Fe2+, while
negatively related to AEP, which itself was positively
correlated with C mineralization (i.e., CO2 emission rates).
Also, all relationships between soil Pox, AEP, Fe2+, and C
were stronger under flooded conditions. We therefore
conclude that flooded conditions in paddy soil may promote
straw decomposition as a result of the stimulation of Pox
activity and phenol decomposition.},
cin = {IBG-3},
ddc = {570},
cid = {I:(DE-Juel1)IBG-3-20101118},
pnm = {246 - Modelling and Monitoring Terrestrial Systems: Methods
and Technologies (POF2-246) / 255 - Terrestrial Systems:
From Observation to Prediction (POF3-255)},
pid = {G:(DE-HGF)POF2-246 / G:(DE-HGF)POF3-255},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000339484300007},
doi = {10.1002/jpln.201300356},
url = {https://juser.fz-juelich.de/record/155359},
}