Evaluation of greenhouse gas emissions from three dairy production systems in Iowa--conventional, grazing and combination conventional/grazing

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2011-01-01
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Duffy, Michael
Herringshaw, Andrew
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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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This project estimates and analyzes the global warming potential emissions from three dairy production systems in Iowa: grazing, combination grazing/conventional and conventional. A cradle-to-farm gate Life Cycle Assessment is performed for these three systems with milk production as the reference flow.

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