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Published online 20 February 2008
Published in J Environ Qual 37:725-735 (2008)
DOI: 10.2134/jeq2007.0351
© 2008 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Physical and Chemical Changes during Composting of Wood Chip–Bedded and Straw-Bedded Beef Cattle Feedlot Manure

Francis J. Larney*, Andrew F. Olson, Jim J. Miller, Paul R. DeMaere, Francis Zvomuya and Tim A. McAllister

Agriculture and Agri-Food Canada, Research Centre, 5403 1st Ave. S., Lethbridge, AB, Canada T1J 4B1. Lethbridge Research Centre contribution no. 38707023


Figure 1
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  		Fig. 1. Effect of bedding type on windrow temperatures for 10-d periods during composting (least square means, 1998–2000). Error bars represent SEM. P values for each comparison are presented above the bars.

 

Figure 2
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  		Fig. 2. Effect of bedding type and composting time on (a) total C, (b) total N, (c) N/P ratio, and (d) pH.

 

Figure 3
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  		Fig. 3. Effect of bedding type on mass balance estimates of water, total (water + dry matter [DM]), DM, C, N, and P during composting.

 

Figure 4
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  		Fig. 4. Effect of bedding type on (a) carbon and (b) nitrogen losses during composting.

 




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The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Soil Science Society of America Journal Journal of Plant Registrations The Plant Genome
Copyright © 2008 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.