Pedobiologia 51 (2008) 359—366
Charcoal and smoke extract stimulate the soil
microbial community in a highly weathered
xanthic Ferralsol$
Christoph Steinera,Ã,1
, Keshav C.
Dasb
, Marcos Garciac
,
Bernhard Fo¨rsterd
, Wolfgang Zecha
a
Institute of Soil...
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Pedobiologia 51 (2008) 359—366
Charcoal and smoke extract stimulate the soil
microbial community in a highly weathered
xanthic Ferralsol$
Christoph Steinera,Ã,1
, Keshav C.
Dasb
, Marcos Garciac
,
Bernhard Fo¨rsterd
, Wolfgang Zecha
a
Institute of Soil Science and Soil Geography, University of Bayreuth, Postfach 10 1251, 95440 Bayreuth, Germany
b
Biorefining and Carbon Cycling Program, Faculty of Engineering, The University of Georgia, Athens, GA 30606, USA
c
Embrapa Amazonia Ocidental, CP 319-69011-970 Manaus, Brazil
d
ECT Oekotoxikologie GmbH, 65439 Flo¨rsheim/Main, Germany
Received 1 December 2006; received in revised form 16 August 2007; accepted 16 August 2007
KEYWORDS
Bio-oil;
Brazil;
Microbial activity;
Slash and char;
Terra Preta;
Wood vinegar
Summary
The influence of charcoal and smoke condensates (pyroligneous acid, PA) on
microbial activity in a highly weathered Amazonian upland soil was assessed via
measurements of basal respiration (BR), substrate-induced respiration (SIR),
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