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Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
03/06/2009 |
Data da última atualização: |
27/06/2019 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
CASTRO, C. de; OLIVEIRA, F. A. de; OLIVEIRA JUNIOR, A. de; MOREIRA, A. |
Afiliação: |
CESAR DE CASTRO, CNPSo; FABIO ALVARES DE OLIVEIRA, CNPSo; ADILSON DE OLIVEIRA JUNIOR, CNPSo; A. MOREIRA. |
Título: |
Influência da cultura de inverno sobre a produtividade da soja, em sistema de semeadura direta. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE SOJA, 5.; MERCOSOJA 2009, Goiânia. Resumos... Londrina: Embrapa Soja, 2009. p. 16, trab. 3. Editado por Adilson de Oliveira Júnior, Odilon Ferreira Saraiva, Clara Beatriz Hoffmann Campo, César de Castro. |
Idioma: |
Português |
Palavras-Chave: |
Soybean. |
Thesagro: |
Plantio Direto; Soja. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00715naa a2200181 a 4500 001 1470244 005 2019-06-27 008 2009 bl uuuu u00u1 u #d 100 1 $aCASTRO, C. de 245 $aInfluência da cultura de inverno sobre a produtividade da soja, em sistema de semeadura direta. 260 $c2009 650 $aPlantio Direto 650 $aSoja 653 $aSoybean 700 1 $aOLIVEIRA, F. A. de 700 1 $aOLIVEIRA JUNIOR, A. de 700 1 $aMOREIRA, A. 773 $tIn: CONGRESSO BRASILEIRO DE SOJA, 5.; MERCOSOJA 2009, Goiânia. Resumos... Londrina: Embrapa Soja, 2009. p. 16, trab. 3. Editado por Adilson de Oliveira Júnior, Odilon Ferreira Saraiva, Clara Beatriz Hoffmann Campo, César de Castro.
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Embrapa Soja (CNPSO) |
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Registro Completo
Biblioteca(s): |
Embrapa Agrobiologia. |
Data corrente: |
18/05/2023 |
Data da última atualização: |
18/05/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
OLIVEIRA, J. dos S.; DEPABLOS, L.; HOMEM, B. G. C.; FERREIRA, I. M.; BODDEY, R. M.; PAIVA, A. J.; LARA, M. A. S.; CASAGRANDE, D. R. |
Afiliação: |
JACQUELINE DOS SANTOS OLIVEIRA, UFLA; LUIS DEPABLOS, UFLA; BRUNO GROSSI COSTA HOMEM, BOLSISTA EMBRAPA AGROBIOLOGIA; IGOR MACHADO FERREIRA, UFLA; ROBERT MICHAEL BODDEY, CNPAB; ADENILSON JOSÉ PAIVA, UFRRJ; MÁRCIO ANDRÉ STEFANELLI LARA, UFLA; DANIEL RUME CASAGRANDE, UFLA. |
Título: |
Forage intake and nitrogen metabolism of beef cattle grazing palisadegrass-calopo mixed pasture managed using canopy light interception. |
Ano de publicação: |
2023 |
Fonte/Imprenta: |
Grasse and Forage Science, First published: 01 May 2023. |
ISSN: |
1365-2494 |
DOI: |
10.1111/gfs.12613 |
Idioma: |
Inglês |
Conteúdo: |
To define the best grazing management strategy, it is important to assess animals' responses to variations in the structure and composition of tropical forages. This 2-year study evaluated animal response to Marandu palisadegrass (Urochloa brizantha)-calopo (Calopogonium mucunoides) mixed pastures managed under rotational grazing. Treatments consisted of three defoliation frequencies defined by rest periods interrupted at 90% (90LI), 95% (95LI) and 100% (100LI) of photosynthetically active radiation interception (LI). The stubble post-grazing height target was 15 cm. Statistical difference was declared at p < .10. The 100LI had lowest crude protein (CP) and in vitro dry matter digestibility (IVDDM) for the Marandu palisadegrass (p = <.001 both) and calopo (p = .003 and p = .067, respectively). Also, the OM digestibility decreased 7.0% in the 100LI condition than 90LI and 95LI treatment (p = .005). There was no difference in forage, grass, and legume intakes between the treatments (p > .10). The 100LI treatment decreased CP intake from grass in 33.3% (p = <.001) compared to other treatments. Greatest production of microbial N (p = .093) occurred with the 90LI treatment. The CP/digestible organic matter (DOM) ratio, urinary N excretion and retained N were lowest in the 100LI treatment (p = <.001, p = .007 and p = .014, respectively). The recommendation for grazing between 90 and 95% of LI is recommended because of greater CP intake and N utilization for the animals and improved the nutritive value of Marandu palisadegrass and calopo mixed pastures. MenosTo define the best grazing management strategy, it is important to assess animals' responses to variations in the structure and composition of tropical forages. This 2-year study evaluated animal response to Marandu palisadegrass (Urochloa brizantha)-calopo (Calopogonium mucunoides) mixed pastures managed under rotational grazing. Treatments consisted of three defoliation frequencies defined by rest periods interrupted at 90% (90LI), 95% (95LI) and 100% (100LI) of photosynthetically active radiation interception (LI). The stubble post-grazing height target was 15 cm. Statistical difference was declared at p < .10. The 100LI had lowest crude protein (CP) and in vitro dry matter digestibility (IVDDM) for the Marandu palisadegrass (p = <.001 both) and calopo (p = .003 and p = .067, respectively). Also, the OM digestibility decreased 7.0% in the 100LI condition than 90LI and 95LI treatment (p = .005). There was no difference in forage, grass, and legume intakes between the treatments (p > .10). The 100LI treatment decreased CP intake from grass in 33.3% (p = <.001) compared to other treatments. Greatest production of microbial N (p = .093) occurred with the 90LI treatment. The CP/digestible organic matter (DOM) ratio, urinary N excretion and retained N were lowest in the 100LI treatment (p = <.001, p = .007 and p = .014, respectively). The recommendation for grazing between 90 and 95% of LI is recommended because of greater CP intake and N utilization for the animals and improve... Mostrar Tudo |
Palavras-Chave: |
Forage intake; Warm season legume. |
Thesaurus NAL: |
Grazing management. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02409naa a2200265 a 4500 001 2153815 005 2023-05-18 008 2023 bl uuuu u00u1 u #d 022 $a1365-2494 024 7 $a10.1111/gfs.12613$2DOI 100 1 $aOLIVEIRA, J. dos S. 245 $aForage intake and nitrogen metabolism of beef cattle grazing palisadegrass-calopo mixed pasture managed using canopy light interception.$h[electronic resource] 260 $c2023 520 $aTo define the best grazing management strategy, it is important to assess animals' responses to variations in the structure and composition of tropical forages. This 2-year study evaluated animal response to Marandu palisadegrass (Urochloa brizantha)-calopo (Calopogonium mucunoides) mixed pastures managed under rotational grazing. Treatments consisted of three defoliation frequencies defined by rest periods interrupted at 90% (90LI), 95% (95LI) and 100% (100LI) of photosynthetically active radiation interception (LI). The stubble post-grazing height target was 15 cm. Statistical difference was declared at p < .10. The 100LI had lowest crude protein (CP) and in vitro dry matter digestibility (IVDDM) for the Marandu palisadegrass (p = <.001 both) and calopo (p = .003 and p = .067, respectively). Also, the OM digestibility decreased 7.0% in the 100LI condition than 90LI and 95LI treatment (p = .005). There was no difference in forage, grass, and legume intakes between the treatments (p > .10). The 100LI treatment decreased CP intake from grass in 33.3% (p = <.001) compared to other treatments. Greatest production of microbial N (p = .093) occurred with the 90LI treatment. The CP/digestible organic matter (DOM) ratio, urinary N excretion and retained N were lowest in the 100LI treatment (p = <.001, p = .007 and p = .014, respectively). The recommendation for grazing between 90 and 95% of LI is recommended because of greater CP intake and N utilization for the animals and improved the nutritive value of Marandu palisadegrass and calopo mixed pastures. 650 $aGrazing management 653 $aForage intake 653 $aWarm season legume 700 1 $aDEPABLOS, L. 700 1 $aHOMEM, B. G. C. 700 1 $aFERREIRA, I. M. 700 1 $aBODDEY, R. M. 700 1 $aPAIVA, A. J. 700 1 $aLARA, M. A. S. 700 1 $aCASAGRANDE, D. R. 773 $tGrasse and Forage Science, First published: 01 May 2023.
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