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| 4. |  | BORTOLETTO-SANTOS, R.; GUIMARAES, G. G. F.; RONCATO JÚNIOR, V.; CRUZ, D. F.; POLITO, W. L.; RIBEIRO, C. Biodegradable oil-based polymeric coatings on urea fertilizer: N release kinetic transformations of urea in soil. Scientia Agricola, Piracicaba, SP, v. 77, n. 1, p. 1-9, 2020.| Biblioteca(s): Epagri-Sede. |
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| 5. | | MAJARON, V. F.; SILVA, M. G.; BORTOLETTO-SANTOS, R.; KLAIC, R.; GIROTO, A.; GUIMARAES, G. G. F.; POLITO, W. L.; FARINAS, C. S.; RIBEIRO, C. Synergy between castor oil polyurethane/starch polymer coating and local acidification by A. niger for increasing the efficiency of nitrogen fertilization using urea granules. INDUSTRIAL CROPS AND PRODUCTS, Amsterdã, v. 154, p. 1-8, 2020.| Biblioteca(s): Epagri-Sede. |
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| Registros recuperados : 5 | |
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Registro Completo
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Biblioteca(s): |
Epagri-Sede. |
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Data corrente: |
10/11/2020 |
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Data da última atualização: |
10/11/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
MAJARON, V. F.; SILVA, M. G.; BORTOLETTO-SANTOS, R.; KLAIC, R.; GIROTO, A.; GUIMARAES, G. G. F.; POLITO, W. L.; FARINAS, C. S.; RIBEIRO, C. |
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Título: |
Synergy between castor oil polyurethane/starch polymer coating and local acidification by A. niger for increasing the efficiency of nitrogen fertilization using urea granules. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
INDUSTRIAL CROPS AND PRODUCTS, Amsterdã, v. 154, p. 1-8, 2020. |
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Idioma: |
Inglês |
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Conteúdo: |
The volatilization of nitrogen (N) in the form of greenhouse gases is the most significant environmental impact associated with fertilizer use. Losses of N may exceed 50 % of the quantity applied, especially when the nitrogen source is urea. This work describes an overcoating system for urea granules, based on starch (from maize or cassava crops) and elemental sulfur (S°) composites applied over a castor oil-based poly(urethane) coating, biologically activated by Aspergillus niger (A. niger). The results indicated that the system provided good control of urea dissolution and reduced NH3 volatilization after 28 days by 45.9 and 64.9 % for the U4%StA.niger and U4%CaA.niger treatments, compared to the control (uncoated urea). This effect occurs from the synergy between the starch and oil-based polyurethane coatings, improving the microorganism activity, due to increased acidity production. The findings support the use of A. niger in fertilizer management and evidence the suitability of natural-based polymer coatings for controlling N delivery and reducing environmental impacts. |
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Palavras-Chave: |
Maize. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01845naa a2200229 a 4500
001 1130140
005 2020-11-10
008 2020 bl uuuu u00u1 u #d
100 1 $aMAJARON, V. F.
245 $aSynergy between castor oil polyurethane/starch polymer coating and local acidification by A. niger for increasing the efficiency of nitrogen fertilization using urea granules.$h[electronic resource]
260 $c2020
520 $aThe volatilization of nitrogen (N) in the form of greenhouse gases is the most significant environmental impact associated with fertilizer use. Losses of N may exceed 50 % of the quantity applied, especially when the nitrogen source is urea. This work describes an overcoating system for urea granules, based on starch (from maize or cassava crops) and elemental sulfur (S°) composites applied over a castor oil-based poly(urethane) coating, biologically activated by Aspergillus niger (A. niger). The results indicated that the system provided good control of urea dissolution and reduced NH3 volatilization after 28 days by 45.9 and 64.9 % for the U4%StA.niger and U4%CaA.niger treatments, compared to the control (uncoated urea). This effect occurs from the synergy between the starch and oil-based polyurethane coatings, improving the microorganism activity, due to increased acidity production. The findings support the use of A. niger in fertilizer management and evidence the suitability of natural-based polymer coatings for controlling N delivery and reducing environmental impacts.
653 $aMaize
700 1 $aSILVA, M. G.
700 1 $aBORTOLETTO-SANTOS, R.
700 1 $aKLAIC, R.
700 1 $aGIROTO, A.
700 1 $aGUIMARAES, G. G. F.
700 1 $aPOLITO, W. L.
700 1 $aFARINAS, C. S.
700 1 $aRIBEIRO, C.
773 $tINDUSTRIAL CROPS AND PRODUCTS, Amsterdã$gv. 154, p. 1-8, 2020.
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