Soil fertility matters! A new conceptual model for carbon stewardship in neotropical croplands taking climate-smart agricultural practices into account

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorSustainable Soils and Crops-
Autor(es): dc.creatorMota Neto, Laudelino Vieira da-
Autor(es): dc.creatorRibeiro-Oliveira, João Paulo-
Autor(es): dc.creatorGaldos, Marcelo Valadares-
Autor(es): dc.creatorBarros, José Victor Silva-
Autor(es): dc.creatorBertolino, Karina Mendes-
Autor(es): dc.creatorCalonego, Juliano Carlos-
Autor(es): dc.creatorRosolem, Ciro Antonio-
Data de aceite: dc.date.accessioned2025-08-21T22:12:34Z-
Data de disponibilização: dc.date.available2025-08-21T22:12:34Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2025-05-25-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.scitotenv.2025.179407-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/308328-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/308328-
Descrição: dc.descriptionMismanagement of agroecosystems in Neotropical regions threatens global security, accelerating the transgression of planetary boundaries. Therefore, understanding carbon (C) stewardship and how climate-smart agriculture (CSA) practices change nutrient availability plays a central role. Here, we analyzed nutrient availability, nitrogen (N) inputs, climate, and soil texture influence C flow into particulate (POC) and mineral-associated organic carbon (MAOC) pools to support sustainable C management in neotropical agroecosystems. To test our hypothesis data were collected from three field experimental agroecosystem sites and a literature overview. Our machine learning models estimated that nutrient availability, notably zinc (Zn), and soil texture, regulate C flow into POC and MAOC pools in agroecosystems. The climate variables exhibited minimal effects. There was no MAOC C saturation in neotropical agroecosystems, with an upper boundary of 36 g C kg-1. This demonstrates the potential of nature-based solutions for C storage in tropical soils. Synthetic N fertilization was not a key driver of C flow into POC and MAOC pools in these agroecosystems; however, organic N inputs, such as those from legumes, showed significant potential in increasing soil C and reducing carbon-to‑nitrogen ratio. Our main finding reveals soil fertility as a key regulator of C flow into POC and MAOC pools in Neotropical agroecosystems. Additionally, nature-based solutions from CSA are viable for atmospheric carbon removal strategies in Neotropical areas. Thus, by integrating experimental and simulated insights, we propose a new conceptual model linking nutrient availability to C stewardship in neotropical agroecosystems, outlining existing knowledge gaps and suggesting directions for future research toward climate-smart agriculture.-
Descrição: dc.descriptionFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)-
Descrição: dc.descriptionFundação Agrisus-
Descrição: dc.descriptionConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)-
Descrição: dc.descriptionSão Paulo State University UNESP Crop Science Department School of Agricultural Sciences, São Paulo-
Descrição: dc.descriptionRothamsted Research Sustainable Soils and Crops, Herts-
Descrição: dc.descriptionSão Paulo State University UNESP Crop Science Department School of Agricultural Sciences, São Paulo-
Descrição: dc.descriptionFAPESP: 2019/09561-1-
Descrição: dc.descriptionFAPESP: 2020/15230-5-
Descrição: dc.descriptionFAPESP: 2021/05167-7-
Descrição: dc.descriptionFAPESP: 2022/01234-4-
Descrição: dc.descriptionFundação Agrisus: 3103/21-
Descrição: dc.descriptionCNPq: 406635/2022-6-
Idioma: dc.languageen-
Relação: dc.relationScience of the Total Environment-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectCarbon saturation-
Palavras-chave: dc.subjectIntercropped agroecosystems-
Palavras-chave: dc.subjectMachine learning models-
Palavras-chave: dc.subjectNitrogen-
Palavras-chave: dc.subjectNo-tillage farming-
Palavras-chave: dc.subjectTropical croplands-
Palavras-chave: dc.subjectAgro-ecosystems-
Palavras-chave: dc.subjectIntercropped agroecosystem-
Palavras-chave: dc.subjectNo tillage-
Palavras-chave: dc.subjectNutrient availability-
Palavras-chave: dc.subjectOrganic carbon pools-
Palavras-chave: dc.subjectSmart agricultures-
Palavras-chave: dc.subjectTropical cropland-
Título: dc.titleSoil fertility matters! A new conceptual model for carbon stewardship in neotropical croplands taking climate-smart agricultural practices into account-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

Não existem arquivos associados a este item.