期刊
BIORESOURCE TECHNOLOGY
卷 108, 期 -, 页码 140-148出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.12.087
关键词
Cu; Composting; Enzyme activity; Microbial community
资金
- National Natural Science Foundation [40771109, 40871119]
- Ministry of Science and Technology [2008GA850013]
- Ministry of Agriculture of China [2010-Z20]
With the compost matrix of pig manure, wheat straw, and spent mushroom substrate, and then inoculated with the Compound Microbe Preparation, the study investigated the effects of the heavy metal Cu on the process of composting. Biolog EcoPlate (TM) test revealed that at a low content, Cu could improve the capacities of microbial communities to transform and exploit carbon sources in the form of polymer, thus speeding up the decomposition of agricultural wastes, and at a high content, Cu presented inhibiting effect on microbial communities to exploit complex macromolecular carbon sources, thus extending the decomposition of agricultural wastes. Enzyme activity testing showed that at a low content, Cu presented enzyme activity-activating effect at the early period of composting and inhibiting effect in the late period of composting, and at a high content, Cu presented enzyme activity-inhibiting effects through the process of composting. (c) 2012 Elsevier Ltd. All rights reserved.
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