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Oekobilanz-Vergleich von intensivem und extensivem Rindfleischproduktionsverfahren: Fallstudie anhand zweier Fallbeispiele Organic Eprints
Chassot, Dr. André; Philipp, Anita; Gaillard, Dr. Gérard.
The environmental impact of two contrasting beef production systems was determined by life cycle assessment (LCA). An extensive fattening system of Limousine x Simmental crossbred steers based on grass (EXT) was compared to an intensive fattening system of Simmental bulls (INT). The environmental impacts of EXT were similar or lower than those of INT. The largest differences were found in toxic effects on aquatic and terrestrial ecosystems. The amount and type of fertilizers used to produce the feed were the main source of difference between the systems. For all other environmental impacts however, there were no marked differences. It is concluded that the extensive use of grasslands for beef production has the potential to reduce the environmental impacts...
Tipo: Conference paper, poster, etc. Palavras-chave: Air and water emissions; Beef cattle.
Ano: 2005 URL: http://orgprints.org/3353/1/3353.pdf
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Life cycle impact of Swiss arable cropping and forage production systems on global warming Organic Eprints
Nemecek, Dr. Thomas; Huguenin-Elie, Dr. Olivier; Dubois, Dr. David; Gaillard, Dr. Gérard.
The global warming potential caused by organic farming systems was analysed for all stages of the life cycle up to the farm gate for Swiss arable and forage production systems using the life cycle assessment method. The global warming potential of organic farming was 6 to 37% lower than that of the integrated production, the main reason being the ban of mineral nitrogen fertilisers in organic farming. A further improvement in organic systems could be achieved by a better management of the nitrogen cycle, the introduction of low tillage systems and an enhanced yield, leading to lower greenhouse gas emission per product unit.
Tipo: Working paper Palavras-chave: Environmental aspects; Farming Systems.
Ano: 2007 URL: http://orgprints.org/11372/1/Nemecek_etal.pdf
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