期刊
BIORESOURCE TECHNOLOGY
卷 243, 期 -, 页码 339-346出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.06.097
关键词
Composting; Dairy manure-rice straw; Psychrotrophic-thermophilic complex; microbial agent; Cold climate
资金
- National Modern Agricultural Technology System: Special Fund for Agroscientific Research in the Public Interest [CARS-38, 201303091]
The objective was to determine the effects of psychrotrophic-thermophilic complex microbial agent (PTCMA) comprised of a psychrotrophic bacterium consortium (PBC) and a thermophilic cellulolytic fungi consortium (TCFC), on composting in a cold climate. Mixtures of dairy manure and rice straw were inoculated with PTCMA, PBC, TCFC and sterile water (control) and composted at an initial ambient temperatures of -2 to 5 degrees C. In compost piles inoculated with PBC or PTCMA, temperatures reached the thermophilic phase (> 55 degrees C) faster (8-11 d) than piles inoculated with TCFC or control. Furthermore, compost inoculated with TCFC or PTCMA had greater decreases in total organic carbon and carbon-tonitrogen ratios, as well as significant increases in total nitrogen, degradation of cellulose and lignin and germination index than PBC inoculation or Control compost. Consequently, inoculation with both (i.e. PTCMA) accelerated the onset and promoted maturity of composting under cold-climate conditions. (C) 2017 Elsevier Ltd. All rights reserved.
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