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Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
23/11/2016 |
Data da última atualização: |
06/02/2024 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PACIULLO, D. S. C.; GOMIDE, C. A. de M.; CASTRO, C. R. T. de; MAURÍCIO, R. M.; FERNANDES, P. B.; MORENZ, M. J. F. |
Afiliação: |
DOMINGOS SAVIO CAMPOS PACIULLO, CNPGL; CARLOS AUGUSTO DE MIRANDA GOMIDE, CNPGL; CARLOS RENATO TAVARES DE CASTRO, CNPGL; R. M. Maurício, UFSJ; P. B. Fernandes; MIRTON JOSE FROTA MORENZ, CNPGL. |
Título: |
Morphogenesis, biomass and nutritive value of Panicum maximum under different shade levels and fertilizer nitrogen rates. |
Ano de publicação: |
2016 |
Fonte/Imprenta: |
Grass and Forage Science, v. 72, n. 3, p. 590-600, 2017. |
DOI: |
https://doi.org/10.1111/gfs.12264 |
Idioma: |
Inglês |
Conteúdo: |
Panicum maximum is important for cattle production in tropical regions, and it responds well to nitrogen (N) fertilization. Many cultivars have exhibited potential for use in silvopastoral systems, although there is limited information on how different levels of N can influence plant growth and nutritive value under shading. Morphogenetic and structural traits, biomass production and nutritive value of two P. maximum cultivars (Tanzania and Massai) were investigated under three shading levels (0, 37 and 58%) and four N rates (0, 50, 100 and 150 mg N dm3). Plants were grown in pots under shade. Leaf and stem elongation rate and leaf blade length increased with shading and in response to N. Tiller density was reduced with shading, but showed a linear increase fashion with N under full sun and moderate shading. Under intense shading, the tillering showed a quadratic response to N. Plant biomass production increased linearly with N under full sun and moderate shade, but it increased quadratically under intense shade. Crude protein (CP) content increased with shade and N and was greater for Tanzania than Massai under shade. Contents of NDF and ADF were greater for Massai than Tanzania. Acid detergent insoluble protein was reduced in Tanzania under shade, but it increased for Massai. It is suggested that the positive shading effect on CP content may not result in increased nutritional value. Although N fertilization was important for increasing biomass production under full sun and moderate shade, it should be avoided under intense shading. MenosPanicum maximum is important for cattle production in tropical regions, and it responds well to nitrogen (N) fertilization. Many cultivars have exhibited potential for use in silvopastoral systems, although there is limited information on how different levels of N can influence plant growth and nutritive value under shading. Morphogenetic and structural traits, biomass production and nutritive value of two P. maximum cultivars (Tanzania and Massai) were investigated under three shading levels (0, 37 and 58%) and four N rates (0, 50, 100 and 150 mg N dm3). Plants were grown in pots under shade. Leaf and stem elongation rate and leaf blade length increased with shading and in response to N. Tiller density was reduced with shading, but showed a linear increase fashion with N under full sun and moderate shading. Under intense shading, the tillering showed a quadratic response to N. Plant biomass production increased linearly with N under full sun and moderate shade, but it increased quadratically under intense shade. Crude protein (CP) content increased with shade and N and was greater for Tanzania than Massai under shade. Contents of NDF and ADF were greater for Massai than Tanzania. Acid detergent insoluble protein was reduced in Tanzania under shade, but it increased for Massai. It is suggested that the positive shading effect on CP content may not result in increased nutritional value. Although N fertilization was important for increasing biomass production under full sun an... Mostrar Tudo |
Palavras-Chave: |
Fertilization; Shading; Tiller population density. |
Thesaurus Nal: |
chemical composition; forage production; silvopastoral systems. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1056931/1/Morphogenesis-biomass-and-nutritive-value-of-Panicum-maximum.pdf
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Marc: |
LEADER 02420naa a2200265 a 4500 001 2056931 005 2024-02-06 008 2016 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1111/gfs.12264$2DOI 100 1 $aPACIULLO, D. S. C. 245 $aMorphogenesis, biomass and nutritive value of Panicum maximum under different shade levels and fertilizer nitrogen rates.$h[electronic resource] 260 $c2016 520 $aPanicum maximum is important for cattle production in tropical regions, and it responds well to nitrogen (N) fertilization. Many cultivars have exhibited potential for use in silvopastoral systems, although there is limited information on how different levels of N can influence plant growth and nutritive value under shading. Morphogenetic and structural traits, biomass production and nutritive value of two P. maximum cultivars (Tanzania and Massai) were investigated under three shading levels (0, 37 and 58%) and four N rates (0, 50, 100 and 150 mg N dm3). Plants were grown in pots under shade. Leaf and stem elongation rate and leaf blade length increased with shading and in response to N. Tiller density was reduced with shading, but showed a linear increase fashion with N under full sun and moderate shading. Under intense shading, the tillering showed a quadratic response to N. Plant biomass production increased linearly with N under full sun and moderate shade, but it increased quadratically under intense shade. Crude protein (CP) content increased with shade and N and was greater for Tanzania than Massai under shade. Contents of NDF and ADF were greater for Massai than Tanzania. Acid detergent insoluble protein was reduced in Tanzania under shade, but it increased for Massai. It is suggested that the positive shading effect on CP content may not result in increased nutritional value. Although N fertilization was important for increasing biomass production under full sun and moderate shade, it should be avoided under intense shading. 650 $achemical composition 650 $aforage production 650 $asilvopastoral systems 653 $aFertilization 653 $aShading 653 $aTiller population density 700 1 $aGOMIDE, C. A. de M. 700 1 $aCASTRO, C. R. T. de 700 1 $aMAURÍCIO, R. M. 700 1 $aFERNANDES, P. B. 700 1 $aMORENZ, M. J. F. 773 $tGrass and Forage Science$gv. 72, n. 3, p. 590-600, 2017.
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Embrapa Gado de Leite (CNPGL) |
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Registro Completo
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
03/03/2005 |
Data da última atualização: |
11/07/2014 |
Autoria: |
COELHO, R. de F. R.; OLIVEIRA, V. C. de; CARVALHO, C. J. R. de; SÁ, T. D. de A. |
Título: |
Fluxo de nitrogênio e fósforo pela deposição de liteira em sistemas de produção agrícola de corte/queima e corte/trituração/manejo de capoeira, na Amazônia Oriental. |
Ano de publicação: |
2004 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE SISTEMAS AGROFLORESTAIS, 5., 2004, Curitiba. SAFs: desenvolvimento com proteção ambiental: anais. Colombo: Embrapa Florestas, 2004. p. 559-561. |
Série: |
(Embrapa Florestas. Documentos, 98). |
ISSN: |
1517-563X |
Idioma: |
Português |
Palavras-Chave: |
Fluxo de nutriente; Trituração mecanizada. |
Thesagro: |
Agricultura Familiar; Solo. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00879naa a2200217 a 4500 001 1310249 005 2014-07-11 008 2004 bl uuuu u00u1 u #d 022 $a1517-563X 100 1 $aCOELHO, R. de F. R. 245 $aFluxo de nitrogênio e fósforo pela deposição de liteira em sistemas de produção agrícola de corte/queima e corte/trituração/manejo de capoeira, na Amazônia Oriental. 260 $c2004 490 $a(Embrapa Florestas. Documentos, 98). 650 $aAgricultura Familiar 650 $aSolo 653 $aFluxo de nutriente 653 $aTrituração mecanizada 700 1 $aOLIVEIRA, V. C. de 700 1 $aCARVALHO, C. J. R. de 700 1 $aSÁ, T. D. de A. 773 $tIn: CONGRESSO BRASILEIRO DE SISTEMAS AGROFLORESTAIS, 5., 2004, Curitiba. SAFs: desenvolvimento com proteção ambiental: anais. Colombo: Embrapa Florestas, 2004. p. 559-561.
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