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Published online 24 October 2007
Published in J Environ Qual 36:1914-1919 (2007)
DOI: 10.2134/jeq2007.0080
© 2007 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
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Greenhouse Gas Emissions during Co-Composting of Calf Mortalities with Manure

Shanwei Xua,b,c, Xiying Haoa,*, Kim Stanfordb, Tim A. McAllistera, Francis J. Larneya and Jingguo Wangc

a Agriculture and Agri-Food Canada Lethbridge Research Centre, 5403 1st Ave S., Lethbridge, AB, T1J 4B1 Canada
b Alberta Agriculture and Food, 5401 1st Ave S., Lethbridge, AB, T1J 4V6 Canada
c College of Resources and Environment, China Agricultural Univ., Beijing, P.R. China 100094


Figure 1
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Fig. 1. Mean daily air temperature and precipitation during the composting period (13 Dec. 2004 to 28 Sept. 2005).

 

Figure 2
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Fig. 2. Compost windrow temperatures recorded by indwelling multi-depth probes during 289 d of composting of (a) barley straw and manure (control compost, CK) or (b) barley straw, manure, and calf mortalities (mortality compost, CM). Arrows indicate windrow turning dates.

 

Figure 3
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Fig. 3. Flux of greenhouse gases CO2, CH4, and N2O at the surface of compost windrows constructed from barley straw and manure (control compost, CK) or from barley straw, manure, and calf mortalities (mortality compost, CM) during 289 d of composting. Bars indicate SEs, and arrows indicate windrow turning dates.

 





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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
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Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2007 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.