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dc.contributor.authorFONTANA, A.eng
dc.contributor.authorPEREIRA, M. G.eng
dc.contributor.authorBALIEIRO, F. de C.eng
dc.contributor.authorCHAGAS, C. da S.eng
dc.contributor.authorDONAGEMMA, G. K.eng
dc.contributor.authorOLIVEIRA, L. S deeng
dc.date.accessioned2020-04-23T00:53:52Z-
dc.date.available2020-04-23T00:53:52Z-
dc.date.created2020-04-22
dc.date.issued2020
dc.identifier.citationFloresta e Ambiente, v. 27, n. 1, e20190091, 2020.eng
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1121775-
dc.descriptionSoils with high organic carbon content, such as those with "humic A horizon", occur in different regions of Brazil. This study aimed to determine the quantitative and qualitative characteristics of organic matter regarding the humic A horizon under different land uses in Bom Jardim, in Rio de Janeiro State, Brazil. Samples from forest, pasture, Eucalyptus plantation, coffee cultivation, olericulture, and also passion fruit soils were sampled and analyzed. In October 2011, undisturbed samples from humic A horizons, were collected for soil density analysis. In addition, disturbed samples were collected for the determination of organic carbon (C-org) content, total carbon, humic substance fractions contents and natural abundance of (13)Carbon (delta C-13). Low C-org contents were observed in areas under olericulture, pasture and passion fruit cultivation. The fulvic acid fraction was higher than other fractions, regardless of land use. The small variability in delta C-13 indicated maintenance of original C-org and suggest high resistance of Soil Organic Matter in humic A horizons.eng
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectCarbono orgânicoeng
dc.subjectSubstâncias húmicaseng
dc.subjectComposição isotópicaeng
dc.titleResistance of soil organic matter in "humic A horizons" of the mountainous region in the state of Rio de Janeiro.eng
dc.typeArtigo de periódicoeng
dc.date.updated2020-04-23T00:53:52Z
dc.subject.thesagroCarbonoeng
dc.subject.thesagroHorizonteeng
dc.subject.nalthesaurusSoil organic carboneng
dc.subject.nalthesaurusHumic substanceseng
riaa.ainfo.id1121775eng
riaa.ainfo.lastupdate2020-07-29 -03:00:00
dc.identifier.doihttp://dx.doi.org/10.1590/2179-8087.009119eng
dc.contributor.institutionADEMIR FONTANA, CNPSeng
dc.contributor.institutionMARCOS GERVASIO PEREIRA, UNIVERSIDADE FEDERAL RURAL DO RIO DE JANEIROeng
dc.contributor.institutionFABIANO DE CARVALHO BALIEIRO, CNPSeng
dc.contributor.institutionCESAR DA SILVA CHAGAS, CNPSeng
dc.contributor.institutionGUILHERME KANGUSSU DONAGEMMA, CNPSeng
dc.contributor.institutionLUCIENNE SILVA DE OLIVEIRA.eng
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