Soil organic matter regulating greenhouse gases in tropical and subtropical environments: a comparison between integrated crop-livestock and annual cropping systems.

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dc.contributorC. Bayer, UFRGS; J. Dieckow, UFPR; JOSILEIA ACORDI ZANATTA, CNPF.
dc.creatorBAYER, C.
dc.creatorDIECKOW, J.
dc.creatorZANATTA, J. A.
dc.date2013-10-21T22:46:16Z
dc.date2013-10-21T22:46:16Z
dc.date2013-01-16
dc.date2012
dc.date2013-10-21T22:46:16Z
dc.date.accessioned2026-07-07T03:21:33Z
dc.descriptionCarbon and nitrogen cycles in grassland, annual cropping and integrated crop-livestock (ICL) systems control soil quality and regulate greenhouse gas emissions. The aim of this study was to review the knowledge on driving factors controlling soil organic carbon (OC) accumulation and greenhouse gas emissions in tropical and subtropical Brazilian ecosystems under ICL and annual cropping systems. The ICL system has a significant potential to promote soil OC sequestration, mainly due to biomass addition but also because stabilization by physical protection and organo-mineral associations. The soil OC accumulation in ICL, compared to annual cropping, can extend up to 100 cm depth. In general, emission of nitrous oxide (N2O) from soil is higher in ICL than in annual cropping, although the opposite may also occur. The N2O emission in ICL, however, can be offset by soil OC accumulation, although not always. Strategies to further increase soil OC sequestration and curb N2O emissions must be developed for ICL, which is a system that is being encouraged in Brazil because of the many ecosystem services and economical benefits that it provides.
dc.identifierIn: INTERNATIONAL SYMPOSIUM ON INTEGRATED CROP-LIVESTOCK SYSTEMS, 2., 2012, Porto Alegre. Invited papers; Offered papers. [S.l.]: INRA, 2012.
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/945375
dc.identifier.urihttp://hdl.handle.net/123456789/431448
dc.languageeng
dc.rightsopenAccess
dc.subjectSistema agropastoril
dc.subjectSequestro de carbono
dc.subjectMatéria Orgânica
dc.subjectSolo
dc.subjectcarbon sequestration
dc.subjectnitrous oxide
dc.subjectpastures
dc.subjectno-tillage
dc.titleSoil organic matter regulating greenhouse gases in tropical and subtropical environments: a comparison between integrated crop-livestock and annual cropping systems.
dc.typeArtigo em anais e proceedings

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