Swedish University of Agricultural Sciences / Wood building / Hall et al. / / /
IndustryTerm
by-product / unit available energy / traction energy input/ha / ecological technology / free energy / plentiful energy / technological devices / external energy / local energy / machinery / chemical energy / mechanical systems / energy forms / e.g. tools / energy content / energy / mechanical device / traction-producing systems / ecological systems / final product / energy transformation losses / embodied energy analysis / electricity / gross domestic product / food production / energy flows / traction energy / Plus steel / energy systems networks / kg steel/ha/yr / direct and indirect supporting energy / kg steel/ha / energy transformation processes / less energy / energy analysis / finite energy sources / mining / energy hierarchies / solar energy / mechanical technology / environmental services / energy transformations / co-product / main energy sources / sunlight energy / energy signature / steel / /
MusicGroup
Indigenous / /
Organization
Centre for Sustainable Agriculture / Department of Ecology and Crop Production Science / Swedish University of Agricultural Sciences / /
Ecological Engineering[removed] – 28 www.elsevier.com/locate/ecoleng Comparison of horse and tractor traction using emergy analysis