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| Registros recuperados : 59 | |
| 8. |  | PEDREIRA, C. G. S.; PEDREIRA, B. C. e. Manejo de pastagens tropicais para intensificação da produção. IN: SIMPÓSIO DE PECUÁRIA INTEGRADA, 1., 2014, Sinop, MT. Intensificação da produção animal em pastagens: Anais... Sinop, MT: Embrapa, 2014. 294 p. Editores Bruno Carneiro e Pedreira, Dalton Henrique Pereira, Douglas dos Santos Pina, Roberta Aparecida Carnevalli, Luciano Bastos Lopes| Biblioteca(s): Embrapa Agrossilvipastoril. |
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| 18. | | MARIN, F. R.; PILAU, F. G.; SPOLADOR, H. F. S.; OTTO, R.; PEDREIRA, C. G. S. Intensificação sustentável da agricultura brasileira Cenários para 2050. Revista de Política Agrícola, Brasília, DF, ano 25, n. 3, p. 108-124, jul./ago/set. 2016.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 19. | | VILLA NOVA, N. A.; BARIONI, L. G.; PEDREIRA, C. G. S.; PEREIRA, A. R. Modelo para previsão da produtividade do capim elefante em função de temperatura do ar, fotoperíodo e frequência de desfolha. Revista Brasileira de Agrometeorologia, Santa Maria, v. 7, n. 1, p. 75-79, 1999| Biblioteca(s): Embrapa Agricultura Digital. |
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| Registros recuperados : 59 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrossilvipastoril. Para informações adicionais entre em contato com cpamt.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrossilvipastoril; Embrapa Gado de Corte. |
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Data corrente: |
04/02/2021 |
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Data da última atualização: |
05/02/2021 |
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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: |
TESK, C. R. M.; CAVALLI, J.; PINA, D. S.; PEREIRA, D. H.; PEDREIRA, C. G. S.; JANK, L.; SOLLENBERGER, L. E.; PEDREIRA, B. C. e. |
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Afiliação: |
CÁTIA REGINA MACAGNAN TESK, UFMT, Sinop-MT; JOSIANA CAVALLI, UFMT, Sinop-MT; DOUGLAS SANTOS PINA, UFBA, Salvador-BA; DALTON HENRIQUE PEREIRA, UFMT, Sinop-MT; CARLOS GUILHERME SILVEIRA PEDREIRA, USP-ESALQ, Piracicaba-SP; LIANA JANK, CNPGC; LYNN E. SOLLENBERGER, UNIVERSITY of FLORIDA, Gainsville-FL; BRUNO CARNEIRO E PEDREIRA, CPAMT. |
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Título: |
Herbage responses of Tamani and Quenia guineagrasses to grazing intensity. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Agronomy Journal, v. 112, n. 3, p. 2081-2091, 2020. |
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DOI: |
http://doi.org/10.1002/agj2.20189 |
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Idioma: |
Inglês |
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Conteúdo: |
New forage cultivars require defoliation studies for recommending proper grazing management. Our objective was to characterize herbage accumulation (HA), plant-part composition and nutritive value of guineagrass [Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs] rotationally stocked under two grazing intensities. The experimental design was a randomized complete block with three replicates of a 2 × 2 factorial arrangement of two guineagrass cultivars (?BRS Quênia? and ?BRS Tamani?) and two grazing intensities. Heavy (HGI) and lax (LGI) grazing intensities were imposed as post-grazing stubble heights: 15 and 25 cm for Tamani, and 20 and 35 cm for Quênia, respectively. The experimental period was from March 2015 to March 2017, comprising eight seasons (autumn 2015, winter 2015, spring 2015, summer 2016, autumn 2016, winter 2015, spring 2016, and summer 2017). In the spring 2016 and summer 2017, pre-grazing HM was sampled as two strata above the stubble height, each comprising 50% of the sampled height (upper and lower stratum). Total herbage accumulation was similar across years, cultivars, and intensities (16,810 kg DM ha−1). Quênia and Tamani had the greatest HA during summer. The leaf proportion was least in the HGI pastures. Under HGI, the lower stratum of both cultivars had the greatest stem proportion and the least nutritive value. The greatest herbage CP concentration and the least NDF, ADF, iNDF and LIG concentrations occurred in the upper stratum. Based on these results, 35 and 55 cm are recommended as target heights for initiation of grazing, and 25 and 35 cm as post-grazing stubble heights for Tamani and Quênia, respectively MenosNew forage cultivars require defoliation studies for recommending proper grazing management. Our objective was to characterize herbage accumulation (HA), plant-part composition and nutritive value of guineagrass [Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs] rotationally stocked under two grazing intensities. The experimental design was a randomized complete block with three replicates of a 2 × 2 factorial arrangement of two guineagrass cultivars (?BRS Quênia? and ?BRS Tamani?) and two grazing intensities. Heavy (HGI) and lax (LGI) grazing intensities were imposed as post-grazing stubble heights: 15 and 25 cm for Tamani, and 20 and 35 cm for Quênia, respectively. The experimental period was from March 2015 to March 2017, comprising eight seasons (autumn 2015, winter 2015, spring 2015, summer 2016, autumn 2016, winter 2015, spring 2016, and summer 2017). In the spring 2016 and summer 2017, pre-grazing HM was sampled as two strata above the stubble height, each comprising 50% of the sampled height (upper and lower stratum). Total herbage accumulation was similar across years, cultivars, and intensities (16,810 kg DM ha−1). Quênia and Tamani had the greatest HA during summer. The leaf proportion was least in the HGI pastures. Under HGI, the lower stratum of both cultivars had the greatest stem proportion and the least nutritive value. The greatest herbage CP concentration and the least NDF, ADF, iNDF and LIG concentrations occurred in the upper stratum. Based... Mostrar Tudo |
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Palavras-Chave: |
Allowance; BRS Quenia; BRS Tamani; Palisadegrass; Panicum-maximum; Rotational stocking. |
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Thesagro: |
Pastejo; Sistema de Pastejo. |
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Thesaurus NAL: |
Behavior; Canopy; Grasses; Neutral detergent fiber; Nutritive value; Panicum; Rotational grazing; Sward; Temperature; Urochloa brizantha. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02851naa a2200433 a 4500
001 2129829
005 2021-02-05
008 2020 bl uuuu u00u1 u #d
024 7 $ahttp://doi.org/10.1002/agj2.20189$2DOI
100 1 $aTESK, C. R. M.
245 $aHerbage responses of Tamani and Quenia guineagrasses to grazing intensity.$h[electronic resource]
260 $c2020
520 $aNew forage cultivars require defoliation studies for recommending proper grazing management. Our objective was to characterize herbage accumulation (HA), plant-part composition and nutritive value of guineagrass [Megathyrsus maximus (Jacq.) B. K. Simon & S. W. L. Jacobs] rotationally stocked under two grazing intensities. The experimental design was a randomized complete block with three replicates of a 2 × 2 factorial arrangement of two guineagrass cultivars (?BRS Quênia? and ?BRS Tamani?) and two grazing intensities. Heavy (HGI) and lax (LGI) grazing intensities were imposed as post-grazing stubble heights: 15 and 25 cm for Tamani, and 20 and 35 cm for Quênia, respectively. The experimental period was from March 2015 to March 2017, comprising eight seasons (autumn 2015, winter 2015, spring 2015, summer 2016, autumn 2016, winter 2015, spring 2016, and summer 2017). In the spring 2016 and summer 2017, pre-grazing HM was sampled as two strata above the stubble height, each comprising 50% of the sampled height (upper and lower stratum). Total herbage accumulation was similar across years, cultivars, and intensities (16,810 kg DM ha−1). Quênia and Tamani had the greatest HA during summer. The leaf proportion was least in the HGI pastures. Under HGI, the lower stratum of both cultivars had the greatest stem proportion and the least nutritive value. The greatest herbage CP concentration and the least NDF, ADF, iNDF and LIG concentrations occurred in the upper stratum. Based on these results, 35 and 55 cm are recommended as target heights for initiation of grazing, and 25 and 35 cm as post-grazing stubble heights for Tamani and Quênia, respectively
650 $aBehavior
650 $aCanopy
650 $aGrasses
650 $aNeutral detergent fiber
650 $aNutritive value
650 $aPanicum
650 $aRotational grazing
650 $aSward
650 $aTemperature
650 $aUrochloa brizantha
650 $aPastejo
650 $aSistema de Pastejo
653 $aAllowance
653 $aBRS Quenia
653 $aBRS Tamani
653 $aPalisadegrass
653 $aPanicum-maximum
653 $aRotational stocking
700 1 $aCAVALLI, J.
700 1 $aPINA, D. S.
700 1 $aPEREIRA, D. H.
700 1 $aPEDREIRA, C. G. S.
700 1 $aJANK, L.
700 1 $aSOLLENBERGER, L. E.
700 1 $aPEDREIRA, B. C. e
773 $tAgronomy Journal$gv. 112, n. 3, p. 2081-2091, 2020.
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Embrapa Gado de Corte (CNPGC) |
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