Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1113622
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dc.contributor.authorSOUZA, J. P. deeng
dc.contributor.authorBORTOLON, E. S. O.eng
dc.contributor.authorBORTOLON, L.eng
dc.contributor.authorCAMARGO, F. P. deeng
dc.contributor.authorCONCEIÇÃO, W. S. S.eng
dc.contributor.authorLIMA, A. de O.eng
dc.contributor.authorVEZZANI, F. M.eng
dc.date.accessioned2019-10-30T18:12:47Z-
dc.date.available2019-10-30T18:12:47Z-
dc.date.created2019-10-29
dc.date.issued2019
dc.identifier.citationJournal of Agricultural Science, v. 11, n. 1, p. 242-250, 2019eng
dc.identifier.issn1916-9760eng
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1113622-
dc.descriptionThe objectives of this work were to evaluate the CO2 emission potential of an Oxisol under integrated crop-livestock and no-tillage systems in the Brasilian Savanna; and to analyze the impact of soil temperature and soil moisture as factors that regulate the seasonality and the emission of C-CO2 in these systems. Field-scale study was carried out at Fazenda Brejinho, in Pedro Afonso-TO, under Oxisol. The production systems studied were integrated crop-livestock and no-tillage under cropped with soybean and corn. The amount of carbon (C) released from the soil in the form of CO2 (C-CO2) was evaluated using cylindrical chambers installed in the field with a vial containing sodium hydroxide to collect CO2 released from the soil (soil emission) in an interval of 15 hours. Five evaluations were conducted over crops growing season, started in 01/26 through 06/16/2015. Data were tested to analysis of variance and the means were compared with Duncan test at 5%. The emission of C-CO2 differed between treatments in all evaluation periods. On average, the temperature ranged from 26.5 to 27.7 °C, the soil moisture ranged from 12.2 to 15.7% and the C-CO2 emission ranged from 87.4 to 119.9 mg m-2 h-1. Temperature, soil moisture and the production systems contributed to the emission and seasonality of carbon dioxide emissions. The integrated crop-livestock cropped with soybean/corn rotation was the system that had the lowest carbon dioxide emission.eng
dc.language.isoengeng
dc.rightsopenAccesseng
dc.titleCarbon dioxide emissions in agricultural systems in the Brazilian savanna.eng
dc.typeArtigo de periódicoeng
dc.date.updated2020-02-14T11:11:11Z
dc.subject.thesagroCerradoeng
dc.subject.thesagroCarbonoeng
dc.subject.thesagroDióxido de Carbonoeng
dc.subject.thesagroPlantio Diretoeng
dc.subject.thesagroTemperatura do Soloeng
riaa.ainfo.id1113622eng
riaa.ainfo.lastupdate2020-02-14 -02:00:00
dc.contributor.institutionJESSICA PEREIRA DE SOUZA, UFRGS; ELISANDRA SOLANGE OLIVEIRA BORTOLON, CNPASA; LEANDRO BORTOLON, CNPASA; FRANCELINO PETENO DE CAMARGO, CNPASA; WILLIAN SOUSA SILVA CONCEICAO, FACULDADE CATÓLICA DO TOCANTINS; ALAN DE ORNELAS LIMA, FACULDADE CATÓLICA DO TOCANTINS; FABIANE MACHADO VEZZANI, UNIVERSIDADE FEDERAL DO PARANÁ.eng
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