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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
06/07/2020 |
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Data da última atualização: |
05/01/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
DOMICIANO, L. F.; SANTOS, M. L. dos; BOOTE, K. J.; SANTOS, P. M.; PEREIRA, D. H.; PEDREIRA, B. C. e. |
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Afiliação: |
Leandro F. Domiciano, UFMT; Mariely L. dos Santos, USP - ESALQ; Kenneth J. Boote, University of Florida, Gainesville; PATRICIA MENEZES SANTOS, CPPSE; Dalton H. Pereira, UFMT; BRUNO CARNEIRO E PEDREIRA, CPAMT. |
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Título: |
Physiological responses and forage accumulation of Marandu palisadegrass and Mombaça guineagrass to nitrogen fertilizer in the Brazilian forage-based systems. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Grassland Science, v. 67, n. 2, p. 93-101, 2021. |
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DOI: |
10.1111/grs.12291 |
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Idioma: |
Inglês |
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Conteúdo: |
In Brazil, the livestock systems are mainly forage-based, and nitrogen inputs are an uncommon practice, despite its great benefits. The objective was to evaluate the effect of nitrogen input on the physiological responses of Marandu palisadegrass (Urochloa brizantha [Hochst. ex A. Rich.] R. D. Webster) and Mombaça guineagrass (Megathyrsus maximus [Jacq.] B. K. Simon & S. W. L. Jacobs), and its impacts on the forage accumulation rate (FAR). The experiment was carried out in Sinop, MT, Brazil, in a randomized block design with a 2 × 2 × 5 factorial arrangement (two cultivars: Mombaça and Marandu; unfertilized and fertilized [50 kg N ha-1 cycle-1]; and five seasons: autumn 2015, winter 2015, spring 2015, summer 2015 and autumn 2016) with three replicates. The experimental period was from March 2015 to June 2016, when plots were harvested to mimic intermittent stocking. Fertilized Mombaça presented greater FAR pastures (74.0 kg DM ha-1 day-1) than unfertilized (26.6 kg DM ha-1 day-1) and Marandu fertilized (52.5 kg DM ha-1 day-1), with the greatest values during the summer (147.6 kg DM ha-1 day-1). The greatest leaf (A) and canopy photosynthesis (CP) rates occurred on fertilized pastures during the summer 2015 and autumn 2015. Marandu presented 19% greater A than Mombaça. During the winter, under water stress, Marandu had greater water use efficiency (WUE). However, during the summer 2015 and autumn 16, Mombaça had the greatest WUE (12.76 umol CO2/mol H2O). In all seasons, Marandu presented the greatest chlorophyll index, which may support the greatest photosynthetic rates. It was concluded that Mombaça was highly responsive to nitrogen input during the rainy season with accumulation over 140 kg DM ha-1 day-1 and is recommended to intensified systems. Marandu had the greatest WUE in the lower precipitation seasons and is an alternative to a year-round strategy in forage-based systems. MenosIn Brazil, the livestock systems are mainly forage-based, and nitrogen inputs are an uncommon practice, despite its great benefits. The objective was to evaluate the effect of nitrogen input on the physiological responses of Marandu palisadegrass (Urochloa brizantha [Hochst. ex A. Rich.] R. D. Webster) and Mombaça guineagrass (Megathyrsus maximus [Jacq.] B. K. Simon & S. W. L. Jacobs), and its impacts on the forage accumulation rate (FAR). The experiment was carried out in Sinop, MT, Brazil, in a randomized block design with a 2 × 2 × 5 factorial arrangement (two cultivars: Mombaça and Marandu; unfertilized and fertilized [50 kg N ha-1 cycle-1]; and five seasons: autumn 2015, winter 2015, spring 2015, summer 2015 and autumn 2016) with three replicates. The experimental period was from March 2015 to June 2016, when plots were harvested to mimic intermittent stocking. Fertilized Mombaça presented greater FAR pastures (74.0 kg DM ha-1 day-1) than unfertilized (26.6 kg DM ha-1 day-1) and Marandu fertilized (52.5 kg DM ha-1 day-1), with the greatest values during the summer (147.6 kg DM ha-1 day-1). The greatest leaf (A) and canopy photosynthesis (CP) rates occurred on fertilized pastures during the summer 2015 and autumn 2015. Marandu presented 19% greater A than Mombaça. During the winter, under water stress, Marandu had greater water use efficiency (WUE). However, during the summer 2015 and autumn 16, Mombaça had the greatest WUE (12.76 umol CO2/mol H2O). In all seasons, Maran... Mostrar Tudo |
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Palavras-Chave: |
Chlorophyll index; Nitrogen fertilizer. |
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Thesaurus Nal: |
Photosynthesis; Water use efficiency. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02713naa a2200241 a 4500
001 2123669
005 2023-01-05
008 2020 bl uuuu u00u1 u #d
024 7 $a10.1111/grs.12291$2DOI
100 1 $aDOMICIANO, L. F.
245 $aPhysiological responses and forage accumulation of Marandu palisadegrass and Mombaça guineagrass to nitrogen fertilizer in the Brazilian forage-based systems.$h[electronic resource]
260 $c2020
520 $aIn Brazil, the livestock systems are mainly forage-based, and nitrogen inputs are an uncommon practice, despite its great benefits. The objective was to evaluate the effect of nitrogen input on the physiological responses of Marandu palisadegrass (Urochloa brizantha [Hochst. ex A. Rich.] R. D. Webster) and Mombaça guineagrass (Megathyrsus maximus [Jacq.] B. K. Simon & S. W. L. Jacobs), and its impacts on the forage accumulation rate (FAR). The experiment was carried out in Sinop, MT, Brazil, in a randomized block design with a 2 × 2 × 5 factorial arrangement (two cultivars: Mombaça and Marandu; unfertilized and fertilized [50 kg N ha-1 cycle-1]; and five seasons: autumn 2015, winter 2015, spring 2015, summer 2015 and autumn 2016) with three replicates. The experimental period was from March 2015 to June 2016, when plots were harvested to mimic intermittent stocking. Fertilized Mombaça presented greater FAR pastures (74.0 kg DM ha-1 day-1) than unfertilized (26.6 kg DM ha-1 day-1) and Marandu fertilized (52.5 kg DM ha-1 day-1), with the greatest values during the summer (147.6 kg DM ha-1 day-1). The greatest leaf (A) and canopy photosynthesis (CP) rates occurred on fertilized pastures during the summer 2015 and autumn 2015. Marandu presented 19% greater A than Mombaça. During the winter, under water stress, Marandu had greater water use efficiency (WUE). However, during the summer 2015 and autumn 16, Mombaça had the greatest WUE (12.76 umol CO2/mol H2O). In all seasons, Marandu presented the greatest chlorophyll index, which may support the greatest photosynthetic rates. It was concluded that Mombaça was highly responsive to nitrogen input during the rainy season with accumulation over 140 kg DM ha-1 day-1 and is recommended to intensified systems. Marandu had the greatest WUE in the lower precipitation seasons and is an alternative to a year-round strategy in forage-based systems.
650 $aPhotosynthesis
650 $aWater use efficiency
653 $aChlorophyll index
653 $aNitrogen fertilizer
700 1 $aSANTOS, M. L. dos
700 1 $aBOOTE, K. J.
700 1 $aSANTOS, P. M.
700 1 $aPEREIRA, D. H.
700 1 $aPEDREIRA, B. C. e
773 $tGrassland Science$gv. 67, n. 2, p. 93-101, 2021.
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Registro original: |
Embrapa Pecuária Sudeste (CPPSE) |
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Biblioteca |
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Tipo/Formato |
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| Registros recuperados : 92 | |
| 9. |  | BRUNETTI, H. B.; SANTOS, P. M.; SANTOS, M. L. DOS; JANK, L.; SANTOS, M. F. Dehydration avoidance of Megathyrsus maximus genotypes and cultivar Quênia grown in long tubes. In: REUNIÃO DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 57., 2022, Campinas. Tropical animal science and pratice to feed the planet: proceedings. Brasília, DF: SBZ; São Carlos, SP: Embrapa Pecuária Sudeste, 2022. p. 24.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Corte. |
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| 10. | | BRUNETTI, H. B.; SANTOS, P. M.; SANTOS, M. L. DOS; JANK, L.; SANTOS, M. F. Dehydration avoidance of Megathyrsus maximus genotypes and cultivar Quênia grown in long tubes. In: REUNIÃO DA SOCIEDADE BRASILEIRA DE ZOOTECNIA, 57., 2022, Campinas. Tropical animal science and pratice to feed the planet: proceedings. Brasília, DF: SBZ; São Carlos, SP: Embrapa Pecuária Sudeste, 2022. p. 24.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
|  |
| 13. | | LAZZAROTTO, J. J.; SANTOS, M. L. dos; LIMA, J. E. de; MORAES, A. de. Relação entre a diversificação agropecuária e os riscos de mercado. Revista de Política Agrícola, Brasília, DF, v. 19, n. 1, p. 49-62, jan./fev./mar., 2010.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 3 |
| Biblioteca(s): Embrapa Soja. |
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| 15. | | LAZZAROTTO, J. J.; SANTOS, M. L. dos; MORAES, A. de; LIMA, J. E. de. Viabilidade financeira e riscos associados à integração lavoura-pecuária no Estado do Paraná. In: CONGRESSO BRASILEIRO DE SOJA, 5.; MERCOSOJA 2009, Goiânia. Resumos... Londrina: Embrapa Soja, 2009. p. 92, trab. 154. Editado por Adilson de Oliveira Júnior, Odilon Ferreira Saraiva, Clara Beatriz Hoffmann Campo, César de Castro.| Tipo: Artigo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| 16. | | LAZZAROTTO, J. J.; SANTOS, M. L. dos; LIMA, J. E. de; MORAES, A. de. Volatilidade dos retornos econômicos associados à integração lavoura-pecuária no Estado do Paraná. Revista de Economia e Agronegócio, Viçosa, v. 7, n. 2, p. 259-283, maio, 2009.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 4 |
| Biblioteca(s): Embrapa Soja. |
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| 17. | | LAZZAROTTO, J. J.; SANTOS, M. L. dos, MORAES, A. de, LIMA, J. E. de. Volatilidade dos retornos econômicos associados à Integração Lavoura-Pecuária no Estado do Paraná. In: REUNIÃO DE PESQUISA DA SOJA DA REGIÃO SUL, 37., Porto Alegre, 2009. Programa e resumos. Porto Alegre : UFRGS, 2009. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Soja. |
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| 19. | | DOMICIANO, L. F.; SANTOS, M. L. dos; BOOTE, K. J.; SANTOS, P. M.; PEREIRA, D. H.; PEDREIRA, B. C. e. Physiological responses and forage accumulation of Marandu palisadegrass and Mombaça guineagrass to nitrogen fertilizer in the Brazilian forage-based systems. Grassland Science, v. 67, n. 2, p. 93-101, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
| Biblioteca(s): Embrapa Pecuária Sudeste. |
|  |
| 20. | | DOMICIANO, L. F.; SANTOS, M. L. dos; BOOTE, K. J.; SANTOS, P. M.; PEREIRA, D. H.; PEDREIRA, B. C. e. Physiological responses and forage accumulation of Marandu palisadegrass and Mombaça guineagrass to nitrogen fertilizer in the Brazilian forage-based systems. Grassland Science, v. 67, n. 2, p. 93-101, 2021.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Agrossilvipastoril. |
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| Registros recuperados : 92 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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