Authors
David O Carter, Mark Tibbett
Publication date
2006/5/31
Journal
Soil Biology and Biochemistry
Volume
38
Issue
5
Pages
1139-1145
Publisher
Pergamon
Description
A laboratory experiment was conducted to determine the effect of temperature (2, 12, 22°C) on the rate of aerobic decomposition of skeletal muscle tissue (Ovis aries) in a sandy loam soil incubated for a period of 42 days. Measurements of decomposition processes included skeletal muscle tissue mass loss, carbon dioxide (CO2) evolution, microbial biomass, soil pH, skeletal muscle tissue carbon (C) and nitrogen (N) content and the calculation of metabolic quotient (qCO2). Incubation temperature and skeletal muscle tissue quality had a significant effect on all of the measured process rates with 2°C usually much lower than 12 and 22°C. Cumulative CO2 evolution at 2, 12 and 22°C equaled 252, 619 and 905mg CO2, respectively. A significant correlation (P<0.001) was detected between cumulative CO2 evolution and tissue mass loss at all temperatures. Q10s for mass loss and CO2 evolution, which ranged from 1 …
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