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Use of crop residues for bioenergy has grown over the last decade as a result of government policies to create alternative energy sources and secure US fuel supplies (EISA-EPA, 2007). Even when second generation biofuels (i.e., those produced from annual crop residues) have the capacity to both increase and diversify farm income, and reduce fossil fuel use and greenhouse gas fluxes to the atmosphere (Wilhelm et al., 2004), there are also concerns about the broad impacts of these practices in our agroecosystems.
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Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Edwin J. Jones, Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; M. Ray McKinnie, Administrator, 1890 Extension Program, Virginia State University, Petersburg.
February 21, 2018