Impact of management intensity of agricultural systems and soil intrinsic characteristics on soil organic carbon stocks

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dc.contributor.authorCastellón Meyrat, Alex
dc.contributor.authorO’Sullivan, Lilian
dc.contributor.authorHolloway, Paul
dc.contributor.authorWall, David
dc.contributor.authorBondi, Giulia
dc.date.accessioned2026-10-13T14:03:01Z
dc.date.available2026-10-13T14:03:01Z
dc.date.issued2026-10-15
dc.description.abstractEnhancing carbon in soils is crucial for improving soil health and building sustainable agroecosystems. Inherent SOC stocks are site-specific and vary due to complex interactions between climate, soils, land use, and management practices. However, the coupled effects of these factors on SOC dynamics are not fully understood. This research aimed to evaluate the impact of different management regimes and intrinsic soil characteristics on SOC stocks and identify pathways that can boost carbon sequestration in agricultural soils. This study relied on data of 143 soil profiles distributed across the south of Ireland. Each site was sampled at four depths (0–15, 15–30, 30–45, and 45–60 cm) and characterized according to the land use and management practices implemented over the past five years. A Regression Tree (RT) model was employed to estimate the single and combined contribution of key soil properties and management practices on SOC stocks. Overall, intrinsic soil characteristics, especially the presence of humic layers and clay, are decisive to determine the SOC storage potential in soils. Land use and management practices primarily impact the top 15 cm, and their accumulated effect (e.g. stocking rates in grassland systems) can shift SOC stocks trends over time. Finally, the heterogeneity in subsoils controls the variability of SOC stocks in depth. The outcomes of this study can help tailor carbon farming strategies to boost carbon sequestration accounting for specific soil conditions.en
dc.description.sponsorshipEuropean Union|862695|Horizon 2020
dc.description.sponsorshipTeagasc (The Agriculture and Food Development Authority), Ireland|2021220|Walsh Scholarships
dc.description.sponsorshipUniversity College Cork|2021220|Walsh Scholarships
dc.description.sponsorshipResearch Ireland|16/RC/3835|VistaMilk
dc.description.sponsorshipGovernment of Ireland|16/RC/3835|VistaMilk
dc.description.versionPublished Version
dc.format.extent12
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid110547
dc.identifier.authororcidCastellón Meyrat, Alex
dc.identifier.authororcidO’Sullivan, Lilian
dc.identifier.authororcidHolloway, Paul§0000-0002-9773-4531
dc.identifier.authororcidWall, David§0000-0001-5802-2884
dc.identifier.authororcidBondi, Giulia
dc.identifier.citationCastellón Meyrat, A, O’Sullivan, L, Holloway, P, Wall, D & Bondi, G 2026, 'Impact of management intensity of agricultural systems and soil intrinsic characteristics on soil organic carbon stocks', Agriculture, Ecosystems and Environment, vol. 410, 110547, pp. 1-12. https://doi.org/10.1016/j.agee.2026.110547
dc.identifier.doi10.1016/j.agee.2026.110547
dc.identifier.endpage12
dc.identifier.issn0167-8809
dc.identifier.journaltitleAgriculture, Ecosystems and Environment
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/19438
dc.identifier.volume410
dc.language.isoen
dc.publisherElsevier B.V.
dc.relation.urihttps://www.scopus.com/pages/publications/105040645816
dc.rights© 2026, authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/)
dc.rights.accessrightsopen access
dc.rights.licensenameAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.statusPeer reviewed
dc.subjectAgricultural soils
dc.subjectLand management practices
dc.subjectLand use
dc.subjectRegression tree
dc.subject[HumanEnvironment]
dc.subject[EngineeringArchitecture]
dc.titleImpact of management intensity of agricultural systems and soil intrinsic characteristics on soil organic carbon stocksen
dc.typeArticle (peer-reviewed)
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