Short-term effects of olive-pomace-based conditioners on soil aggregation stability

Detalhes bibliográficos
Autor(a) principal: Royer, Ana Caroline
Data de Publicação: 2024
Outros Autores: Figueiredo, Tomás de, Fonseca, Felícia, Lado, Marcos, Hernandez Hernandez, Zulimar
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10198/29572
Resumo: Mediterranean agriculture asks for sustainable strategies to prevent actual soil organic matter decline rates. Composting agri-food by-products for application in farmland, besides contributing to a circular economy at regional or local scales, may improve soil resistance to physical degradation. Aggregate stability (AS) is a crucial property for building up such resistance. Olive pomace is an abundant by-product of the olive oil industry that may be valorized through composting. This study aimed to assess the influence on AS of olive-pomace-based composts (OPC) applied to a sandy loam Leptosol and a clay loam Fluvisol. To assess the effects of compost characteristics on AS, three OPCs resulting from different olive pomace proportions in the composting raw material (44, 31, and 25% by volume) were applied to aggregate samples in three doses (10, 20, and 40 t.ha−1, plus control) with fine and coarse grain sizes. Controlled laboratory conditions subjected samples to daily wetting-drying cycles during a 30-day experiment. AS was measured by wet sieving. OPC application significantly increased AS in the Leptosol amended with fine (+15% vs. control) and coarse (+19%) grain-size compost. In well-aggregated Fluvisol, amendment induced a significant increase in AS only in the compost coarse grain size (+12%). The application dose significantly affected AS, with 10 t.ha−1 being the best-performing dose. OPC applications in weakly aggregated soils are seemingly an encouraging soil management practice for improving soil resistance to physical degradation and reducing soil organic matter decline rates in Mediterranean farmland.
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spelling Short-term effects of olive-pomace-based conditioners on soil aggregation stabilityOrganic soil conditionersTwo-phase olive oil industryTwo-phase derived olive pomaceCompostingOlive-pomace-based compostMediterranean agriculture asks for sustainable strategies to prevent actual soil organic matter decline rates. Composting agri-food by-products for application in farmland, besides contributing to a circular economy at regional or local scales, may improve soil resistance to physical degradation. Aggregate stability (AS) is a crucial property for building up such resistance. Olive pomace is an abundant by-product of the olive oil industry that may be valorized through composting. This study aimed to assess the influence on AS of olive-pomace-based composts (OPC) applied to a sandy loam Leptosol and a clay loam Fluvisol. To assess the effects of compost characteristics on AS, three OPCs resulting from different olive pomace proportions in the composting raw material (44, 31, and 25% by volume) were applied to aggregate samples in three doses (10, 20, and 40 t.ha−1, plus control) with fine and coarse grain sizes. Controlled laboratory conditions subjected samples to daily wetting-drying cycles during a 30-day experiment. AS was measured by wet sieving. OPC application significantly increased AS in the Leptosol amended with fine (+15% vs. control) and coarse (+19%) grain-size compost. In well-aggregated Fluvisol, amendment induced a significant increase in AS only in the compost coarse grain size (+12%). The application dose significantly affected AS, with 10 t.ha−1 being the best-performing dose. OPC applications in weakly aggregated soils are seemingly an encouraging soil management practice for improving soil resistance to physical degradation and reducing soil organic matter decline rates in Mediterranean farmland.The authors are grateful for the financial support of the research carried out by projects “BIOMA—Circular Economy and the digital transformation in Agrifood sector, POCI-01-0247-FEDER- 046112”, and “ForestWaterUp—Nature-based solutions for the ecological restoration of degraded soils in the Sabor Lakes, POCI-07-62G4-FEDER-181557”. The authors are also grateful to the Foundation for Science and Technology (FCT, Portugal) for the financial support through national funds FCT/MCTES (PIDDAC) to CIMO (UIDB/00690/2020 and UIDP/00690/2020) and SusTEC (LA/P/0007/2020). Ana Caroline Royer thanks the national funding by FCT, the Foundation for Science and Technology, through the individual research grant 2022.11024.BD.MDPIBiblioteca Digital do IPBRoyer, Ana CarolineFigueiredo, Tomás deFonseca, FelíciaLado, MarcosHernandez Hernandez, Zulimar2024-02-20T16:50:16Z20242024-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10198/29572engRoyer, Ana Caroline; Figueiredo, Tomás de; Fonseca, Felícia; Lado, Marcos; Hernández Hernández, Zulimar (2024). Short-term effects of olive-pomace-based conditioners on soil aggregation stability. Agronomy. eISSN 2073-4395. 14:1, p. 1-1810.3390/agronomy140100052073-4395info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-02-21T01:18:52Zoai:bibliotecadigital.ipb.pt:10198/29572Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T02:39:14.833468Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Short-term effects of olive-pomace-based conditioners on soil aggregation stability
title Short-term effects of olive-pomace-based conditioners on soil aggregation stability
spellingShingle Short-term effects of olive-pomace-based conditioners on soil aggregation stability
Royer, Ana Caroline
Organic soil conditioners
Two-phase olive oil industry
Two-phase derived olive pomace
Composting
Olive-pomace-based compost
title_short Short-term effects of olive-pomace-based conditioners on soil aggregation stability
title_full Short-term effects of olive-pomace-based conditioners on soil aggregation stability
title_fullStr Short-term effects of olive-pomace-based conditioners on soil aggregation stability
title_full_unstemmed Short-term effects of olive-pomace-based conditioners on soil aggregation stability
title_sort Short-term effects of olive-pomace-based conditioners on soil aggregation stability
author Royer, Ana Caroline
author_facet Royer, Ana Caroline
Figueiredo, Tomás de
Fonseca, Felícia
Lado, Marcos
Hernandez Hernandez, Zulimar
author_role author
author2 Figueiredo, Tomás de
Fonseca, Felícia
Lado, Marcos
Hernandez Hernandez, Zulimar
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Biblioteca Digital do IPB
dc.contributor.author.fl_str_mv Royer, Ana Caroline
Figueiredo, Tomás de
Fonseca, Felícia
Lado, Marcos
Hernandez Hernandez, Zulimar
dc.subject.por.fl_str_mv Organic soil conditioners
Two-phase olive oil industry
Two-phase derived olive pomace
Composting
Olive-pomace-based compost
topic Organic soil conditioners
Two-phase olive oil industry
Two-phase derived olive pomace
Composting
Olive-pomace-based compost
description Mediterranean agriculture asks for sustainable strategies to prevent actual soil organic matter decline rates. Composting agri-food by-products for application in farmland, besides contributing to a circular economy at regional or local scales, may improve soil resistance to physical degradation. Aggregate stability (AS) is a crucial property for building up such resistance. Olive pomace is an abundant by-product of the olive oil industry that may be valorized through composting. This study aimed to assess the influence on AS of olive-pomace-based composts (OPC) applied to a sandy loam Leptosol and a clay loam Fluvisol. To assess the effects of compost characteristics on AS, three OPCs resulting from different olive pomace proportions in the composting raw material (44, 31, and 25% by volume) were applied to aggregate samples in three doses (10, 20, and 40 t.ha−1, plus control) with fine and coarse grain sizes. Controlled laboratory conditions subjected samples to daily wetting-drying cycles during a 30-day experiment. AS was measured by wet sieving. OPC application significantly increased AS in the Leptosol amended with fine (+15% vs. control) and coarse (+19%) grain-size compost. In well-aggregated Fluvisol, amendment induced a significant increase in AS only in the compost coarse grain size (+12%). The application dose significantly affected AS, with 10 t.ha−1 being the best-performing dose. OPC applications in weakly aggregated soils are seemingly an encouraging soil management practice for improving soil resistance to physical degradation and reducing soil organic matter decline rates in Mediterranean farmland.
publishDate 2024
dc.date.none.fl_str_mv 2024-02-20T16:50:16Z
2024
2024-01-01T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10198/29572
url http://hdl.handle.net/10198/29572
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Royer, Ana Caroline; Figueiredo, Tomás de; Fonseca, Felícia; Lado, Marcos; Hernández Hernández, Zulimar (2024). Short-term effects of olive-pomace-based conditioners on soil aggregation stability. Agronomy. eISSN 2073-4395. 14:1, p. 1-18
10.3390/agronomy14010005
2073-4395
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv MDPI
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