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resumen

Resumen
Agricultural systems variously produce food, feed, fiber, fuel, and environmental goods. The relative emphasis varies over space and time – associated inter alia to inter-related developments in demand, technology and policy. Cereal cropping systems in the developing world traditionally emphasize food production with residual agricultural biomass (or crop residues) as an important by-product. Crop residues often have multiple uses such as livestock feed, [ver mas...]
dc.contributor.authorErenstein, Olaf
dc.contributor.authorGérard, Bruno
dc.contributor.authorTittonell, Pablo Adrian
dc.date.accessioned2017-09-22T18:55:38Z
dc.date.available2017-09-22T18:55:38Z
dc.date.issued2015-03
dc.identifier.issn0308-521X
dc.identifier.otherhttps://doi.org/10.1016/j.agsy.2014.12.001
dc.identifier.urihttp://hdl.handle.net/20.500.12123/1305
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S0308521X14001619
dc.description.abstractAgricultural systems variously produce food, feed, fiber, fuel, and environmental goods. The relative emphasis varies over space and time – associated inter alia to inter-related developments in demand, technology and policy. Cereal cropping systems in the developing world traditionally emphasize food production with residual agricultural biomass (or crop residues) as an important by-product. Crop residues often have multiple uses such as livestock feed, household fuel source, soil amendment, construction and/or marketed for cash income. A number of trade-offs exist between these biomass uses, often reinforced by emerging drivers such as demographic pressure, increasing demand for livestock products and the development of fodder markets. In addition, there are recent developments, such as the increasing advocacy of conservation agriculture practices. Conservation agriculture calls for the retention of substantial crop residues as mulch in the field, thereby often competing with prevailing uses such as animal feed and/or conflicting with established crop management practices. There is also increasing advocacy for second generation biofuels (ethanol production from hemi-cellulosic material) – albeit that for now these are unlikely to have substantial short term implications for most smallholders across large swathes of the developing world as biofuel use is primarily limited to traditional biofuel uses and mainly informal and small scaleeng
dc.formatapplication/pdfeng
dc.language.isoeng
dc.rightsinfo:eu-repo/semantics/restrictedAccesseng
dc.sourceAgricultural systems 134 : 1-5. (March 2015)
dc.subjectSistemas de Cultivoes_AR
dc.subjectCropping Systemseng
dc.subjectBiomasa
dc.subjectBiomasseng
dc.subjectCereales
dc.subjectCerealseng
dc.subjectPaíses en Desarrollo
dc.subjectDeveloping Countrieseng
dc.titleBiomass use trade-off in cereal cropping systems in the developing world : overvieweng
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articleeng
dc.typeinfo:eu-repo/semantics/publishedVersioneng
dc.description.filFil: Erenstein, Olaf. International Maize and Wheat Improvement Centre (CIMMYT); México
dc.description.filFil: Gérard, Bruno. International Maize and Wheat Improvement Centre (CIMMYT); México
dc.description.filFil: Tittonell, Pablo Adrian. Wageningen University and Research Centre; Holanda. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina
dc.subtypecientifico


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