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dc.contributor.authorSILVA, P. B. da
dc.contributor.authorCARVALHO, A. M. de
dc.contributor.authorSA, M. A. C. de
dc.contributor.authorJUNQUEIRA, A. M. R.
dc.contributor.authorSOARES, J. P. G.
dc.contributor.authorMARCHI, G.
dc.contributor.authorMARTINS, E. de S.
dc.contributor.authorSOUSA, T. R. de
dc.contributor.authorSANTOS, L. F.
dc.contributor.authorOLIVEIRA, A. D. de
dc.date.accessioned2025-10-17T18:56:38Z-
dc.date.available2025-10-17T18:56:38Z-
dc.date.created2025-10-17
dc.date.issued2025
dc.identifier.citationIn: LATIN AMERICAN AND CARIBBEAN SOIL CARBON RESEARCH SYMPOSIUM, 2025, Rio de Janeiro. [Anais eletrônico...], Galoá, 2025.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1179776-
dc.descriptionThis study assessed the impact of silicate agrominerals (basalt, biotite schist, kamafugite), applied as potassium sources in doses calculated to increase soil CEC, in comparison to potassium chloride (KCl) and a control, on carbon and nitrogen dynamics in a Red-Yellow Latosol under Urochloa brizantha pasture in the Cerrado, Brazil. Analyses of carbon stocks (CS), total carbon (TC), total nitrogen (TN), total organic carbon (TOC), C:N ratio, and soil density (Ds) in the 0-10, 10-20, and 20-30 cm layers, performed using ANOVA and Tukey's test (p<0.05), showed no significant differences for most parameters, including CS (which ranged from 63.34 Mg ha−1 to 72.44 Mg ha−1) and Ds (ranging from 1.13 g cm−3 to 1.23 g cm−3). However, an upward trend was observed for TC with biotite schist (20.02 g kg−1), for TN with KCl (1.23 g kg−1), and for TOC and the C:N ratio with kamafugite, suggesting that both kamafugite and biotite schist show potential for improving soil TC and TOC levels in pastures. The use of silicate agrominerals as a management alternative supports SDG 2 and the Low Carbon Agriculture Plan, offering a pathway for the recovery of degraded areas in livestock production systems.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectLatosolo
dc.subjectMatéria orgânica do solo
dc.subjectXisto biotítico
dc.subjectKamafugito
dc.subjectEstoque de carbono no solo
dc.subjectDinâmica do carbono e nitrogênio
dc.subjectAgrominerais silicatados
dc.subjectRecuperação de áreas degradadas
dc.subjectSoil carbon stock
dc.subjectCarbon and Nitrogen Dynamics
dc.subjectDegraded area recovery
dc.subjectLatosol
dc.titleStock and contents of carbon and nitrogen of soil managed with silicate agrominerals under pasture of Urochloa brizantha cv. BRS Paiaguás in the Cerrado.
dc.typeResumo em anais e proceedings
dc.subject.thesagroCerrado
dc.subject.thesagroPastagem
dc.description.notesPôster.
riaa.ainfo.id1179776
riaa.ainfo.lastupdate2025-10-17
dc.contributor.institutionPRISCILA BRELAZ DA SILVA, UNIVERSIDADE DE BRASÍLIA; ARMINDA MOREIRA DE CARVALHO, CPAC; MARCOS AURELIO CAROLINO DE SA, CPAC; ANA MARIA RESENDE JUNQUEIRA, UNIVERSIDADE DE BRASÍLIA; JOAO PAULO GUIMARAES SOARES, CPAC; GIULIANO MARCHI, UNIVERSIDADE DE BRASÍLIA; EDER DE SOUZA MARTINS, CPAC; THAIS RODRIGUES DE SOUSA, UNIVERSIDADE DE BRASILIA; LUIZ FERNANDO SANTOS, UNIVERSIDADE DE BRASÍLIA; ALEXSANDRA DUARTE DE OLIVEIRA, CPAC.
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