Nitrogen conservation in swine manure composting land-application systems
Date
2001-01-01
Authors
Richard, Thomas
Cambardella, Cynthia
Loynachan, Thomas
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Leopold Center for Sustainable Agriculture
The Leopold Center is a research and education center on the campus of Iowa State University created to identify and reduce negative environmental and social impacts of farming and develop new ways to farm profitably while conserving natural resources.
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Leopold Center for Sustainable Agriculture
Abstract
The use of bedding in the popular hooped houses for swine production generates large volumes of manure that composts easily. However, composting results in nutrient losses, especially for nitrogen, which then diminish its value as a fertilizer. This study looks at carbon and nitrogen dynamics in the composting process and subsequent soil mineralization.