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| Registros recuperados : 11 | |
| 1. |  | PEREIRA, E. I.; CRUZ, C. C. T. da; RIBEIRO, C. Novos nanocompósitos fertilizantes nitrogenados de liberação lenta: o impacto de polímeros nas propriedades e aplicação. In: WORKSHOP DA REDE DE NANOTECNOLOGIA APLICADA AO AGRONEGÓCIO, 8, 2014, Juiz de fora. Anais... São Carlos: Embrapa Instrumentação; Campo Grande: Embrapa Gado de Corte; Juiz de Fora: Embrapa Gado de Leite, 2014. p. 373-377. Editores: Maria Alice Martins, Humberto de Mello Brandão, Marlene de Barros Coelho, Daniel Souza Corrêa, Caue Ribeiro, Luiz Henrique Capparelli Mattoso.| Biblioteca(s): Embrapa Instrumentação. |
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| 2. | | PEREIRA, E. I.; CRUZ, C. C. T. da; RIBEIRO, C.; CAVIGELLI, M. A.; SOLOMON, A. Nanocompósitos nitrogenados de liberação lenta: produção e caracterização. In: WORKSHOP DA REDE DE NANOTECNOLOGIA APLICADA AO AGRONEGÓCIO, 7.; ESCOLA DE NANOTECNOLOGIA, 3., 2013, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação, 2013. p. 433-435 Editores: Maria Alice Martins, Odílio Benedito Garrido de Assis, Caue Ribeiro, Luiz Henrique Capparelli Mattoso. CD-ROM. Editores: Maria Alice Martins, Odílio Benedito Garrido de Assis, Caue Ribeiro, Luiz Henrique Capparelli Mattoso.| Biblioteca(s): Embrapa Instrumentação. |
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| 3. | | CRUZ, C. C. T. da; BORTOLIN, A.; PEREIRA, E. I.; AOUADA, F. A.; RIBEIRO, C. Preparação de hidrogéis a base de poliacrilamida, metilcelulose e montmorilonita: caracterizações hidrofílicas e espectroscópicas. In: JORNADA CIENTÍFICA - EMBRAPA SÃO CARLOS, 3., 2011, São Carlos. Anais... São Carlos, SP: Embrapa Pecuária Sudeste: Embrapa Instrumentação, 2011. Editado por: Luiz Francisco Zafalon; Patricia Tholon. p. 73 (Embrapa Pecuária Sudeste. Documentos, 104)| Biblioteca(s): Embrapa Instrumentação. |
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| 5. | | PEREIRA, E. I.; CRUZ, C. C. T. da; SOLOMON, A.; LE, A.; CAVIGELLI, M. A.; RIBEIRO, C. Novel slow-release nanocomposite nitrogen fertilizers: the impact of polymers on nanocomposite properties and function. Industrial and engineering chemistry research, Washington, v. 54, n.14, p. 3717-3725, 2015.| Biblioteca(s): Embrapa Instrumentação. |
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| 6. | | PEREIRA, E. I.; MINUSSI, F. B.; CRUZ, C. C. T. da; BERNARDI, A. C. C.; RIBEIRO, C. Nanocompósitos extrudados de montmorilonita/ureia: um novo material de liberação lenta. In: WORKSHOP DA REDE DE NANOTECNOLOGIA APLICADA AO AGRONEGÓCIO, 6., 2012, Fortaleza. Anais... São Carlos: Embrapa Instrumentação; Fortaleza: Embrapa Agroindústria Tropical, 2012. p. 312-314. Editores: Maria Alice Martins, MOrsyleide de Freitas Rosa, Men de Sá Moreira de Souza Filho, Nicodemos Moreira dos Santos Junior, Odílio Benedito Garrido de Assis, Caue Ribeiro, Luiz Henrique Capparelli Mattoso.| Biblioteca(s): Embrapa Instrumentação. |
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| 8. | | CRUZ, C. C. T. da; PEREIRA, E. I.; SATO, P. S.; GUIMARÃES, G. G. F.; SOUZA, G. B. de; BERNARDI, A. C. de C.; OLIVEIRA, C. R. de. Analysis of NH3-N slow release systems for fiber digestibility of low-quality forage: in vitro approach. Scientia Agricola, v. 77, n. 5, e20180005, dec. 2020.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| 9. | | CRUZ, C. C. T. da; PEREIRA, E. I.; SATO, P. S.; GUIMARÃES, G. G. F.; SOUZA, G. B. de; BERNARDI, A. C. de C.; RIBEIRO, C. Analysis of NH3-N slow release systems for fiber digestibility of low-quality forage: in vitro approach. Scientia Agricola, v.77, n.5, e20180383, 2020.| Biblioteca(s): Embrapa Instrumentação. |
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| 10. | | PEREIRA, E. I.; NOGUEIRA, A. R. de A.; CRUZ, C. C. T. da; GUIMARAES, G. G. F.; FOSCHINI, M. M.; BERNARDI, A. C. de C.; OLIVEIRA, C. R. de. Controlled urea release employing nanocomposites increases the efficiency of nitrogen use by forage. ACS Sustainable Chemistry & Engineering, v. 5, n. 11, p. 9993-10001, 2017.| Biblioteca(s): Embrapa Instrumentação; Embrapa Pecuária Sudeste. |
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| 11. | | GUIMARAES, G. G. F.; PEREIRA, E. I.; NOGUEIRA, A. R. de A.; CRUZ, C. C. T. da; FOSCHINI, M. M.; BERNARDI, A. C. de C.; OLIVEIRA, C. R. de. Liberação controlada de ureia proveniente de nanocompósitos reduz a volatilização de amônia e aumenta a eficiência do uso de nitrogênio pela planta. In: WORKSHOP DE NANOTECNOLOGIA APLICADA AO AGRONEGÓCIO, 9., 2017, São Carlos, SP. Anais... São Carlos, SP: Embrapa Instrumentação, 2017. cap. 7. p. 471-474.| Biblioteca(s): Embrapa Pecuária Sudeste. |
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| Registros recuperados : 11 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação; Embrapa Pecuária Sudeste. |
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Data corrente: |
14/12/2017 |
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Data da última atualização: |
14/12/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
PEREIRA, E. I.; NOGUEIRA, A. R. de A.; CRUZ, C. C. T. da; GUIMARAES, G. G. F.; FOSCHINI, M. M.; BERNARDI, A. C. de C.; OLIVEIRA, C. R. de. |
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Afiliação: |
Elaine Inacio Pereira, Bolsista/Embrapa Pecuária Sudeste; ANA RITA DE ARAUJO NOGUEIRA, CPPSE; Camila Conceição Tomé da Cruz, UFSCar; Gelton Geraldo Fernandes Guimarães, Bolsista/Embrapa Instrumentação; Milene Mitsuyuki Foschini, Bolsista/Embrapa Instrumentação; ALBERTO CARLOS DE CAMPOS BERNARDI, CPPSE; CAUE RIBEIRO DE OLIVEIRA, CNPDIA. |
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Título: |
Controlled urea release employing nanocomposites increases the efficiency of nitrogen use by forage. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
ACS Sustainable Chemistry & Engineering, v. 5, n. 11, p. 9993-10001, 2017. |
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ISSN: |
2168-0485 |
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DOI: |
10.1021/acssuschemeng.7b01919 |
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Idioma: |
Inglês |
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Conteúdo: |
The rapid hydrolysis of urea applied to the soil surface causes high rates of NH3 volatilization, leading to adverse environmental impacts and decreased uptake of N by crops. One approach that can be used to improve the efficiency of urea use involves strategies to control its release, such as the coating of granules with polymers. However, the effectiveness of this method can be limited by poor interaction between the coating and the granule surface. We, therefore, propose a novel class of nanocomposite fertilizers, based on clay exfoliation in urea matrices, with or without polymerization using formaldehyde as a strategy to increase the interaction between urea and the additives. A comparative study was performed using various slow-release fertilizers, determining the amounts of volatilized ammonia, dry matter production, and efficiency of urea-N uptake by ryegrass, in a trial carried out in a greenhouse. Interaction, such as solubility, thickness and chemical composition of the composites revealed aspects of the interaction that affected the slow%release behavior of urea in soil and the availability of N for plants. It could be concluded that the controlled release of urea from the nanocomposites decreased NH3 volatilization, resulting in a more constant N availability in the soil and better synchronization with the nutritional demands of the plants. The new fertilizers offer a practical option for increasing urea%N efficiency, reducing environmental impacts caused by NH3 loss, and improving the quality of forage grown on low fertility soils such as Oxisols. MenosThe rapid hydrolysis of urea applied to the soil surface causes high rates of NH3 volatilization, leading to adverse environmental impacts and decreased uptake of N by crops. One approach that can be used to improve the efficiency of urea use involves strategies to control its release, such as the coating of granules with polymers. However, the effectiveness of this method can be limited by poor interaction between the coating and the granule surface. We, therefore, propose a novel class of nanocomposite fertilizers, based on clay exfoliation in urea matrices, with or without polymerization using formaldehyde as a strategy to increase the interaction between urea and the additives. A comparative study was performed using various slow-release fertilizers, determining the amounts of volatilized ammonia, dry matter production, and efficiency of urea-N uptake by ryegrass, in a trial carried out in a greenhouse. Interaction, such as solubility, thickness and chemical composition of the composites revealed aspects of the interaction that affected the slow%release behavior of urea in soil and the availability of N for plants. It could be concluded that the controlled release of urea from the nanocomposites decreased NH3 volatilization, resulting in a more constant N availability in the soil and better synchronization with the nutritional demands of the plants. The new fertilizers offer a practical option for increasing urea%N efficiency, reducing environmental impacts caused by NH3... Mostrar Tudo |
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Palavras-Chave: |
Ammonia loss; Urea controlled release. |
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Thesaurus NAL: |
forage. |
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Categoria do assunto: |
W Química e Física |
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Marc: |
LEADER 02391naa a2200253 a 4500
001 2082569
005 2017-12-14
008 2017 bl uuuu u00u1 u #d
022 $a2168-0485
024 7 $a10.1021/acssuschemeng.7b01919$2DOI
100 1 $aPEREIRA, E. I.
245 $aControlled urea release employing nanocomposites increases the efficiency of nitrogen use by forage.$h[electronic resource]
260 $c2017
520 $aThe rapid hydrolysis of urea applied to the soil surface causes high rates of NH3 volatilization, leading to adverse environmental impacts and decreased uptake of N by crops. One approach that can be used to improve the efficiency of urea use involves strategies to control its release, such as the coating of granules with polymers. However, the effectiveness of this method can be limited by poor interaction between the coating and the granule surface. We, therefore, propose a novel class of nanocomposite fertilizers, based on clay exfoliation in urea matrices, with or without polymerization using formaldehyde as a strategy to increase the interaction between urea and the additives. A comparative study was performed using various slow-release fertilizers, determining the amounts of volatilized ammonia, dry matter production, and efficiency of urea-N uptake by ryegrass, in a trial carried out in a greenhouse. Interaction, such as solubility, thickness and chemical composition of the composites revealed aspects of the interaction that affected the slow%release behavior of urea in soil and the availability of N for plants. It could be concluded that the controlled release of urea from the nanocomposites decreased NH3 volatilization, resulting in a more constant N availability in the soil and better synchronization with the nutritional demands of the plants. The new fertilizers offer a practical option for increasing urea%N efficiency, reducing environmental impacts caused by NH3 loss, and improving the quality of forage grown on low fertility soils such as Oxisols.
650 $aforage
653 $aAmmonia loss
653 $aUrea controlled release
700 1 $aNOGUEIRA, A. R. de A.
700 1 $aCRUZ, C. C. T. da
700 1 $aGUIMARAES, G. G. F.
700 1 $aFOSCHINI, M. M.
700 1 $aBERNARDI, A. C. de C.
700 1 $aOLIVEIRA, C. R. de
773 $tACS Sustainable Chemistry & Engineering$gv. 5, n. 11, p. 9993-10001, 2017.
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