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Document Date: 2010-04-20 09:28:42Open Document Share Result on FacebookCompanyCreative Commons / /CountryUnited States / /CurrencyUSD / /EventEnvironmental Issue / /FacilityIowa State University / /IndustryTermenergy costs / greenhouse gas emissions / low energy prices / experimental systems / fossil energy prices / fossil fuel energy costs / low-input cropping systems / waste product / low input cropping systems / energy cost / cash grain systems / crop energy output / less fossil energy / low-fossil energy input systems / energy efficiencies / machinery depreciation / energy use / low-input rotation systems / low-input systems / fossil energy costs / fossil energy inputs / energy inputs / low input systems / fossil energy / real energy / energy use efficiency / energy / fossil energy input values / /OrganizationU.S. Department of Agriculture / Leopold Center for Sustainable Agriculture / American Society of Agronomy / Iowa State University / /PersonMichael J. Cruse / James Giese / D. Raj Raman / Matt Liebman / Michael Cruse / Mary H. Wiedenhoeft / /PositionActuary / Director / Science Communications / representative / producer / /ProvinceOrStateIowa / /Regioncentral U.S. / /Technologybiofuels / /URLhttp /SocialTag |