Phosphorus availability and soybean growth in contrasting oxisols in response to humic acid concentrations combined with phosphate sources

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.creatorRosa, Sara Dantas-
Autor(es): dc.creatorSilva, Carlos Alberto-
Autor(es): dc.creatorMaluf, Henrique José Guimarães Moreira-
Data de aceite: dc.date.accessioned2026-02-09T11:10:23Z-
Data de disponibilização: dc.date.available2026-02-09T11:10:23Z-
Data de envio: dc.date.issued2020-04-01-
Data de envio: dc.date.issued2020-04-01-
Data de envio: dc.date.issued2019-
Fonte completa do material: dc.identifierhttps://repositorio.ufla.br/handle/1/56557626-
Fonte completa do material: dc.identifierhttps://www.tandfonline.com/doi/abs/10.1080/03650340.2019.1608527?journalCode=gags20-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/capes/1135262-
Descrição: dc.descriptionHumic acid (HA) use can improve phosphorus (P) availability in soils with high P fixation capacity. The aim of this study was to evaluate soil P availability and soybean growth in both medium-texture (MT) and clayey (CL) Oxisols under humic acid carbon (C-HA) concentrations: 0, 5, 10, 50 and 100 mg kg−1, combined with Araxá phosphate rock (APR) and single superphosphate (SS). Mixtures of C-HA with P sources were incubated for 15 d. In sequence, the soil solution was extracted and analyzed for soil solution C (SSC), soil solution P (SSP) and soil solution electrical conductivity (EC). Soil initial resin-P and pH were determined before soybean sowing and, after harvest, shoot (SDM), root (RDM), total dry matter (TDM), soil residual resin-P and soil pH were determined. In CL fertilized with SS, the addition of C-HA increased SSP by 17%, residual resin-P by 42%, SDM, P and N accumulated in the shoot. Addition of C-HA reduced SSP and initial resin-P in MT treated with SS and increased in 18% residual resin-P in MT fertilized with APR. Effects of HA on soil attributes, soybean growth and nutritional status rely on HA concentration, soil texture and P source used.-
Idioma: dc.languageen-
Publicador: dc.publisherTaylor & Francis Online-
Direitos: dc.rightsrestrictAccess-
???dc.source???: dc.sourceArchives of Agronomy and Soil Science-
Palavras-chave: dc.subjectLow-grade phosphate rock-
Palavras-chave: dc.subjectPhosphate-metal-humic complexes-
Palavras-chave: dc.subjectPhosphorus-fixing soils-
Palavras-chave: dc.subjectResidual phosphorus-
Palavras-chave: dc.subjectSoil solution-
Título: dc.titlePhosphorus availability and soybean growth in contrasting oxisols in response to humic acid concentrations combined with phosphate sources-
Tipo de arquivo: dc.typeArtigo-
Aparece nas coleções:Repositório Institucional da Universidade Federal de Lavras (RIUFLA)

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