Home Itens selecionados Provedores de dados OAI Créditos Sobre Ajuda

			Busca avançada
	Provedor de dados Organic Eprints (3) Autor Ambus, Per (3) Carter, Mette S. (3) Hauggaard-Nielsen, Henrik (1) Johansen, Anders (1) Palavra-chave Nutrient turnover Recycling (3) Balancing and resource management Composting and manuring Air and water emissions (2) Balancing and resource management Air and water emissions Composting and manuring (1) Tipo do documento Newspaper or magazine article (2) Conference paper, poster, etc. (1) Ano 2009 (3) País Germany (3) Idioma Inglês (2) dan (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última Consequences of agro-biofuel production for greenhouse gas emissions Organic Eprints Carter, Mette S.; Hauggaard-Nielsen, Henrik; Johansen, Anders; Ambus, Per. Currently CO2 from fossil fuel combustion accounts for 57% of the global greenhouse gas emissions, whereas the strong greenhouse gases nitrous oxide (N2O) and methane (CH4) contribute with 8% and 14%, respectively (IPCC, 2007). Agricultural activity is the dominant source of N2O, which is mainly associated with the use of nitrogen based fertilizers in agricultural production. Replacing fossil fuel-derived energy by biomass-derived energy is commonly and with increasing emphasis proposed as a mean to mitigate the CO2 emissions. However, a recent analysis of global emission data proposes that accelerated emissions of N2O associated with the production of biomass for bio-fuel purposes will outweigh the avoided emissions of fossil fuel-derived CO2 (Crutzen et... Tipo: Conference paper, poster, etc. Palavras-chave: Nutrient turnover Recycling; Balancing and resource management Air and water emissions Composting and manuring. Ano: 2009 URL: http://orgprints.org/16179/1/16179.pdf Greenhouse gas emissions from cultivation of energy crops – is it important? Organic Eprints Carter, Mette S.; Ambus, Per. Replacing fossil fuel-derived energy with biomass-derived energy is commonly emphasized as a means to reduce CO2 emissions. However, our study highlights the risk of large greenhouse gas emissions when wastes from bioenergy production are recycled as fertilizer for energy crops. Crop management affects the magnitude of these emissions, which in some cases negate a considerable fraction of the global warming savings associated with biofuels. Tipo: Newspaper or magazine article Palavras-chave: Nutrient turnover Recycling; Balancing and resource management Composting and manuring Air and water emissions. Ano: 2009 URL: http://orgprints.org/16880/1/16880.pdf Nødvendig viden om mark-emissioner for valg af biobrændsel Organic Eprints Carter, Mette S.; Ambus, Per. Det bliver ofte fremhævet, at CO2-udledningen kan reduceres ved at erstatte fossile brændsler med brændsler produceret på plantebiomasse. Vores studie viser dog, at der er risiko for store drivhusgasudledninger, når restaffald fra bioenergiproduktion føres tilbage til marken som gødning. Afgrøde og dyrkningspraksis påvirker størrelsen af udledningen, som i nogle tilfælde ophæver en betydelig del af drivhusgas-gevinsten forbundet med biobrændsler. Tipo: Newspaper or magazine article Palavras-chave: Nutrient turnover Recycling; Balancing and resource management Composting and manuring Air and water emissions. Ano: 2009 URL: http://orgprints.org/16878/1/16878.pdf Registros recuperados: 3 Primeira ... 1 ... Última

Empresa Brasileira de Pesquisa Agropecuária - Embrapa Todos os direitos reservados, conforme Lei n° 9.610 Política de Privacidade Área restrita		Embrapa Parque Estação Biológica - PqEB s/n° Brasília, DF - Brasil - CEP 70770-901 Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco