Agrosilvopastoral system as a potential model for increasing soil carbon stocks: a century model approach

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dc.creatorJuliana Martins Ribeiro
dc.creatorIgor Costa de Freitas
dc.creatorBetânia Guedes Souza e Brito
dc.creatorLuiz Arnaldo Fernandes
dc.creatorLuiz Fernando Carvalho Leite
dc.creatorDemerson Luiz de Almeida Barbosa
dc.creatorMárcia Vitória Santos
dc.creatorCarlos Eduardo Pellegrino Cerri
dc.creatorLeidivan Almeida Frazão
dc.date.accessioned2024-09-30T19:43:10Z
dc.date.accessioned2025-09-08T23:45:53Z
dc.date.available2024-09-30T19:43:10Z
dc.date.issued2023
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.36783/18069657rbcs20220136
dc.identifier.issn1806-9657
dc.identifier.urihttps://hdl.handle.net/1843/77030
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofRevista Brasileira de Ciência do Solo
dc.rightsAcesso Aberto
dc.subjectAgrossilvicultura
dc.subjectDegradação ambiental
dc.subjectSolos - Degradação
dc.subjectHumus
dc.subjectAgricultura sustentável
dc.subject.otheragroforestry
dc.subject.otherclimate change
dc.subject.otherland-use change
dc.subject.othersoil organic matter
dc.titleAgrosilvopastoral system as a potential model for increasing soil carbon stocks: a century model approach
dc.typeArtigo de periódico
local.citation.spagee0220136
local.citation.volume47
local.description.resumoAgrosilvopastoral systems have been used as sustainable production models that can promote soil organic carbon (SOC) storage. However, there are no simulation studies with the Century model to estimate the SOC accumulation capacity in the long term, analyzing the effects of management and climate change in integrated crop-livestock-forest (ICLF) systems. This study aimed to simulate soil C dynamics in two chronosequences of land-use composed of native vegetation (NV), degraded pasture (DPA) and ICLF system in the Cerrado of Minas Gerais, in addition to designing future scenarios to verify the potential of SOC accumulation through climate change. The results showed that the Century model reliably simulated the SOC stocks in the two chronosequences evaluated. The model predicted an increase in SOC stocks at two sites by converting the DPA system (46.04 and 42.38 Mg ha-1) into ICLF systems (54.94 and 51.71 Mg ha-1). The Century also predicted that a 20 mm decrease in rainfall and a 2 °C increase in temperature in the tropical regions studied could reduce the SOC stocks more expressively in degraded pastures, while agroforestry systems could show a smaller reduction in SOC stocks. In addition, the results showed that replacing degraded pastures into agrosilvopastoral systems, especially in clayey soils, contributes to increasing SOC stocks. Thus, agroforestry systems are potentially viable to maintain the sustainability of agriculture in the face of climate change.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://www.scielo.br/j/rbcs/a/KxSGXjv4G33NxnZSbzgKrLq/abstract/?lang=en#

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