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Biomass Energy in Organic Farming—the Potential Role of Short Rotation Coppice by Uffe Jørgensen; Tommy Dalgaard; Erik Steen Kristensen is a Engineering article available to read on EtoBox.

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One of the aims of organic farming is to ''reduce the use of non-renewable resources (e.g. fossil fuels) to a minimum''. So far, however, only very little progress has been made to introduce renewable energy in organic farming. This paper presents energy balances of Danish organic farming compared with energy balances of conventional farming. In general, the conversion to organic farming leads to a lower energy use (approximately 10% per unit of product). But the production of energy in organic farming is very low compared with the extensive utilisation of straw from conventional farming in Denmark (energy content of straw used for energy production was equivalent to 18% of total energy input in Danish agriculture in 1996). Biomass is a key energy carrier with a good potential for on-farm development. Apart from utilising farm manure and crop residues for biogas production, the production of nutrient efficient short rotation coppice (SRC) is an option in organic farming. Alder (Alnus spp.) is an interesting crop due to its symbiosis with the actinomycete Frankia, which has the ability to fix up to 185 kg/ha nitrogen (N 2 ) from the air. Yields obtained at different European sites a

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Author

Uffe Jørgensen; Tommy Dalgaard; Erik Steen Kristensen

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0961-9534)

Published

2005

Language

EN

Field

Engineering (Physical Sciences)