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@ARTICLE{Prost:201161,
author = {Prost, Katharina and Borchard, Nils and Siemens, Jan and
Kautz, Timo and Séquaris, Jean-Marie and Möller, Andreas
and Amelung, Wulf},
title = {{B}iochar {A}ffected by {C}omposting with {F}armyard
{M}anure},
journal = {Journal of environmental quality},
volume = {42},
number = {1},
issn = {0047-2425},
address = {Madison, Wis.},
publisher = {ASA [u.a.]},
reportid = {FZJ-2015-03466},
pages = {164 -},
year = {2013},
abstract = {Biochar applications to soils can improve soil fertility by
increasing the soil’s cation exchange capacity (CEC) and
nutrient retention. Because biochar amendment may occur with
the applications of organic fertilizers, we tested to which
extent composting with farmyard manure increases CEC and
nutrient content of charcoal and gasification coke. Both
types of biochar absorbed leachate generated during the
composting process. As a result, the moisture content of
gasification coke increased from 0.02 to 0.94 g g−1, and
that of charcoal increased from 0.03 to 0.52 g g−1. With
the leachate, the chars absorbed organic matter and
nutrients, increasing contents of water-extractable organic
carbon (gasification coke: from 0.09 to 7.00 g kg−1;
charcoal: from 0.03 to 3.52 g kg−1), total soluble
nitrogen (gasification coke: from not detected to 705.5 mg
kg−1; charcoal: from 3.2 to 377.2 mg kg−1),
plant-available phosphorus (gasification coke: from 351 to
635 mg kg−1; charcoal: from 44 to 190 mg kg−1), and
plant-available potassium (gasification coke: from 6.0 to
15.3 g kg−1; charcoal: from 0.6 to 8.5 g kg−1). The
potential CEC increased from 22.4 to 88.6 mmolc kg−1 for
the gasification coke and from 20.8 to 39.0 mmolc kg−1 for
the charcoal. There were little if any changes in the
contents and patterns of benzene polycarboxylic acids of the
biochars, suggesting that degradation of black carbon during
the composting process was negligible. The surface area of
the biochars declined during the composting process due to
the clogging of micropores by sorbed compost-derived
materials. Interactions with composting substrate thus
enhance the nutrient loads but alter the surface properties
of biochars.},
cin = {IBG-3},
ddc = {333.7},
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:000314749500020},
doi = {10.2134/jeq2012.0064},
url = {https://juser.fz-juelich.de/record/201161},
}