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Characterization of the maturing process of cattle manure compost

Paper ID Volume ID Publish Year Pages File Format Full-Text
36173 45123 2006 10 PDF Available
Title
Characterization of the maturing process of cattle manure compost
Abstract

The maturing process of cattle manure composting was characterized by elemental composition analysis, solid-state 13C NMR spectra, respiratory quinone profiles, and a germination index using Brassica campestris L. Three separate experimental runs were conducted in which cattle manure compost was matured for up to 12–18 months after 14 days of thermophilic composting. The microbial biomass and diversity that developed during thermophilic composting were maintained at high levels for several months, and then decreased significantly. This change was accompanied by a decreased content of carbon, especially carbohydrate carbon, and a decrease in phytotoxicity. During this period, the alkyl C/O-alkyl C ratio increased, resulting in decreased C/N ratios, microbial biomass, and microbial diversity. The proportion of Actinobacteria increased slightly and this was associated with the disappearance of phytotoxicity.

Keywords
Maturing; Compost; Quinone; Solid-state 13C NMR; Germination index; Cattle manure
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Publisher
Database: Elsevier - ScienceDirect
Journal: Process Biochemistry - Volume 41, Issue 2, February 2006, Pages 380–389
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
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Price was $35.95
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