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Metadados | Descrição | Idioma |
---|---|---|
Autor(es): dc.contributor | Universidade de São Paulo (USP) | - |
Autor(es): dc.contributor | Universidade Estadual Paulista (Unesp) | - |
Autor(es): dc.creator | Volf, Marcelo R. | - |
Autor(es): dc.creator | Rosolem, Ciro A. [UNESP] | - |
Data de aceite: dc.date.accessioned | 2022-02-22T00:57:22Z | - |
Data de disponibilização: dc.date.available | 2022-02-22T00:57:22Z | - |
Data de envio: dc.date.issued | 2021-06-25 | - |
Data de envio: dc.date.issued | 2021-06-25 | - |
Data de envio: dc.date.issued | 2020-11-23 | - |
Fonte completa do material: dc.identifier | http://dx.doi.org/10.1007/s42729-020-00350-7 | - |
Fonte completa do material: dc.identifier | http://hdl.handle.net/11449/209692 | - |
Fonte: dc.identifier.uri | http://educapes.capes.gov.br/handle/11449/209692 | - |
Descrição: dc.description | Slow-release fertilizers have been proposed as tools to increase P fertilizer use efficiency in tropical acidic soils with high P adsorption, low P availability, and mobility. However, results have been controversial since soil diversity and the fertilizer itself may influence the results, which is not completely understood. Soil P diffusion and availability were studied in soils with different P fertilization histories, where triple superphosphate (TSP) and single superphosphate (SSP) coated with a polymer or with humic acid and complexed with humic acid were applied under laboratory conditions. No difference in soil P availability and diffusion was observed between humic acid-complexed, polymer, and humic acid-coated TSP and conventional TSP. For SSP, soil P availability was 15 to 30% lower in the region of application for the polymer and 0 to 16% for the humic-coated fertilizer. For the polymer-coated SSP, P diffusion was lower in some soils. With both base fertilizers, the soil adsorption capacity was more determinant of P diffusion than the protection of the fertilizers. Coating P fertilizers with polymer and complexing or coating the fertilizer with humic acid does not increase P availability or diffusivity in soil since these processes are driven mainly by the soil characteristics. Therefore, the potential of these controlled-release P fertilizers in increasing P use efficiency is low. | - |
Descrição: dc.description | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | - |
Descrição: dc.description | Western Sao Paulo Univ, Dept Agron, Rod Raposo Tavares,Km 572, BR-19067175 Presidente Prudente, SP, Brazil | - |
Descrição: dc.description | Sao Paulo State Univ, Dept Crop Sci, Sch Agr Sci, Av Univ 3780, BR-18604034 Botucatu, SP, Brazil | - |
Descrição: dc.description | Sao Paulo State Univ, Dept Crop Sci, Sch Agr Sci, Av Univ 3780, BR-18604034 Botucatu, SP, Brazil | - |
Descrição: dc.description | FAPESP: 2015/04200-0 | - |
Formato: dc.format | 162-172 | - |
Idioma: dc.language | en | - |
Publicador: dc.publisher | Springer | - |
Relação: dc.relation | Journal Of Soil Science And Plant Nutrition | - |
???dc.source???: dc.source | Web of Science | - |
Palavras-chave: dc.subject | Phosphate fertilizer | - |
Palavras-chave: dc.subject | Slow release | - |
Palavras-chave: dc.subject | P adsorption | - |
Palavras-chave: dc.subject | Polymer | - |
Palavras-chave: dc.subject | Humic acid | - |
Título: dc.title | Soil P Diffusion and Availability Modified by Controlled-Release P Fertilizers | - |
Tipo de arquivo: dc.type | livro digital | - |
Aparece nas coleções: | Repositório Institucional - Unesp |
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