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dc.contributor.authorMAJARON, V. F.
dc.contributor.authorVELLANI, C. L.
dc.contributor.authorMARTINS JUNIOR, A. A. F.
dc.contributor.authorSOARES, S. M.
dc.contributor.authorPUTTI, F. F.
dc.contributor.authorINNOCENTINI, M. D. de M.
dc.contributor.authorBERNARDI, A. C. de C.
dc.contributor.authorPOLITO, W. L.
dc.contributor.authorOLIVEIRA, C. R. de
dc.contributor.authorSANTOS, R. B.
dc.date.accessioned2025-12-03T13:48:42Z-
dc.date.available2025-12-03T13:48:42Z-
dc.date.created2025-12-03
dc.date.issued2025
dc.identifier.citationAgricultural Science & Technology, v. 5, n. 10, p. 2082–2089, 2025
dc.identifier.issn2692-1952
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1182213-
dc.descriptionAbstract: We developed a nanocomposite coating system based on castor oil-derived polyurethane (PU) and montmorillonite for the controlled release of urea. The incorporation of low amounts of nanoclay effectively slowed nitrogen diffusion through an ion exchange mechanism, resulting in a reduction from 70 to 20% in 215 h (treatment with less than 5%). Greenhouse experiments using Brachiaria brizantha demonstrated that the coated fertilizers promoted improved nitrogen uptake and biomass production compared to uncoated urea. Sequential harvests showed that the benefits were consistent across growth stages, with a more evident cumulative effect over 135 days. The results highlight the critical role of nanocomposite structure in enhancing nutrient use efficiency and reducing environmental losses. This approach enables the use of thinner coatings without compromising performance, providing a sustainable alternative for the development of advanced controlled-release fertilizers.
dc.language.isoeng
dc.rightsopenAccess
dc.titleRole of nanocomposite structure in polyurethane coatings for slow-release fertilizers: a case study with Brachiaria brizantha.
dc.typeArtigo de periódico
dc.subject.nalthesaurusUrea
dc.subject.nalthesaurusClay
dc.subject.nalthesaurusCastor oil
dc.subject.nalthesaurusFertilizers
riaa.ainfo.id1182213
riaa.ainfo.lastupdate2025-12-03
dc.identifier.doihttps://doi.org/10.1021/acsagscitech.5c00509
dc.contributor.institutionVINÍCIUS FERRAZ MAJARON, UNIVERSIDADE DE SÃO PAULO; CASSIO LUIZ VELLANI, UNIVERSIDADE DE RIBEIRÃO PRETO; ALEXANDRE ANTONIO FIDELIS MARTINS JUNIOR, UNIVERSIDADE FEDERAL DE SÃO CARLOS; SENDY MARQUES SOARES, UNIVERSIDADE DE RIBEIRÃO PRETO; FERNANDO FERRARI PUTTI, UNIVERSIDADE ESTADUAL PAULISTA JÚLIO DE MESQUITA FILHO; MURILO DANIEL DE MELLO INNOCENTINI, UNIVERSIDADE DE RIBEIRÃO PRETO; ALBERTO CARLOS DE CAMPOS BERNARDI, CPPSE; WAGNER LUIZ POLITO, UNIVERSIDADE DE SÃO PAULO; CAUE RIBEIRO DE OLIVEIRA, CNPDIA; RICARDO BORTOLETTO SANTOS, UNIVERSIDADE DE RIBEIRÃO PRETO.
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