Journal
COMPOST SCIENCE & UTILIZATION
Volume 27, Issue 2, Pages 69-80Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/1065657X.2018.1507850
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Funding
- Ministry of Science and Technology of the People's Republic of China through the High Effective Intelligent Composting Process and Key Technology Research program [2016YFD0800601]
- National Key Research and Development Program of China [SQ2017YFNC060039]
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Woody peat was used as an additive to compost with pig manure in 1.2 m(3) composting reactors under aerobic conditions for a 77days period to estimate the effect on the compost maturity and gaseous emissions (NH3, N2O, and CH4). Pig manure was also composted with cornstalks (the traditional method) as a control treatment. The results showed that both cornstalks and woody peat composts reached the required maturity standard. Composting with woody peat as a bulking agent was found to reduced NH3 emissions by 36% than the cornstalks amended treatment. Although CH4 emission increased by adding woody peat, N2O emission was considerably reduced, resulting in a slight decrease in total greenhouse gas emissions. More importantly, woody peat could reduce the losses of total carbon and total nitrogen, improve the compost quality as fertilizer.
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