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dc.contributor.authorCARVALHO, A. M. de
dc.contributor.authorMARCHAO, R. L.
dc.contributor.authorSOUZA, K. W. de
dc.contributor.authorBUSTAMANTE, M. M. da C.
dc.date.accessioned2026-01-21T14:48:48Z-
dc.date.available2026-01-21T14:48:48Z-
dc.date.created2014-12-11
dc.date.issued2014
dc.identifier.citationRevista Ciência Agronômica, v. 45, n. 5, 2014.
dc.identifier.isbn1806-6690
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1002356-
dc.descriptionThe aim of the present study was to evaluate the effects of cover crops on the soil's chemical fertility, in particular its carbon and nitrogen content, in a Typic Acrustox under conventional and no-tillage corn systems. We hypothesized that the no-tillage system associates with cover crops maintains or increases soil carbon and nitrogen stocks and enhance soil fertility. The no-tillage system did not present higher carbon and nitrogen stocks than conventional tillage, but resulted in higher concentrations of exchangeable bases, higher CEC, and higher base saturation in the surface soil layer, mainly under use of Canavalia brasiliensis. Carbon and nitrogen stocks (up to 40 cm depth) differ significantly between the different cover crop species. The use of Mucuna pruriens and Canavalia brasiliensis allows maintain or increase soil C and N stocks. The no-tillage system results in higher accumulation of soil organic matter (0-5 cm), and appears very likely to enhance soil fertility. The use of Canavalia brasiliensis and Mucuna pruriens in succession to corn promotes carbon sequestration and can be used to enhance soil quality in Cerrado agroecosystems.
dc.language.isopor
dc.rightsopenAccess
dc.titleSoil fertility status, carbon and nitrogen stocks under cover crops and tillage regimes.
dc.typeArtigo de periódico
dc.subject.thesagroPlanta de cobertura
dc.subject.thesagroPlantio direto
dc.subject.nalthesaurusSoil fertility
dc.subject.nalthesaurusCarbon
dc.subject.nalthesaurusNitrogen
dc.subject.nalthesaurusNo-tillage
dc.description.notesTítulo em português: Fertilidade do solo, estoques de carbono e nitrogênio sob plantas de cobertura e sistemas de manejo.
riaa.ainfo.id1002356
riaa.ainfo.lastupdate2026-01-21
dc.identifier.doihttps://doi.org/10.1590/S1806-66902014000500007
dc.contributor.institutionARMINDA MOREIRA DE CARVALHO, CPAC; ROBELIO LEANDRO MARCHAO, CPAC; KLEBERSON WORSLLEY DE SOUZA, CPAC; MERCEDES MARIA DA CUNHA BUSTAMANTE, UNIVERSIDADE DE BRASÍLIA.
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