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| 11. |  | GURGEL, A. L. C.; EUCLIDES, V. P. B.; MONTAGNER, D. B.; DIFANTE, G. S.; ARAUJO, A. R. de. Desempenho de bovinos de corte em pastos de capim-mombaça sob efeito residual da adubação nitrogenada. In: JORNADA CIENTÍFICA EMBRAPA GADO DE CORTE, 14., 2018, Campo Grande - MS. [Resumos dos trabalhos]. Brasília, DF, Embrapa, 2018 115 p. (Embrapa Gado de Corte. Documentos, 258). p. 20-21| Biblioteca(s): Embrapa Gado de Corte. |
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| 13. | | TAVARES, S. C. C. de H.; GURGEL, A. C. B.; ALBUQUERQUE, J. A.; PEREZ, J. O.; ASSUNCAO, I. P. Efeitos do anelamento como retardante de crescimento em Botryodiplodia theobromae-II. In: CONGRESSO BRASILEIRO DE FRUTICULTURA, 13., 1994, Salvador. Resumos... Salvador: SBF, 1994. v. 2, p. 723-724.| Biblioteca(s): Embrapa Semiárido. |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
09/12/2022 |
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Data da última atualização: |
12/12/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
CAMARGO, F. C.; DIFANTE, G. dos S.; MONTAGNER, D. B.; EUCLIDES, V. P. B.; TAIRA, C. de A. Q.; GURGEL, A. L. C.; SOUZA, D. L. de. |
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Afiliação: |
FRANCISCO CARLOS CAMARGO, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; GELSON DOS SANTOS DIFANTE, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; DENISE BAPTAGLIN MONTAGNER, CNPGC; VALERIA PACHECO BATISTA EUCLIDES, CNPGC; CAROLINA DE ARRUDA QUEIROZ TAIRA, UNIVERSIDAE FEDERAL DE MATO GROSSO DO SUL; ANTONIO LEANDRO CHAVES GURGEL, UNIVERSIDADE FEDERAL DE MATO GROSSO DO SUL; DANIELE LOPES DE SOUZA, UNIVERSIDADE CATÓLICA DOM BOSCO. |
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Título: |
Morphogenetic and structural traits of Ipyporã grass subjected to nitrogen fertilization rates under intermittent grazing. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Ciência Rural, v.52, n.5, e20201074, 2022. |
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DOI: |
http://doi.org/10.1590/0103-8478cr20201074 |
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Idioma: |
Inglês |
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Conteúdo: |
ABSTRACT- This study examined the effects of annual nitrogen (N) rates of 100 and 200 kg ha-¹ on the morphogenetic and structural traits of Ipyporã grass (Brachiaria brizantha × Brachiaria ruziziensis) under intermittent grazing during the seasons of the year. The experiment was laid out in a randomized-block design with two treatments and three area replicates. Ipyporã grass pastures were grazed by beef cattle. Morphogenetic and structural traits of the forage canopy were evaluated using the marked-tiller technique. Forage accumulation and tiller density (TD) were also evaluated. Significant interaction effects (P < 0.05) between N rates and seasons were observed for the rest period, leaf lifespan (LLS), phyllochron, stem elongation rate (SER) and final leaf length (FLL). During winter, the rest period was shorter (40 vs. 50 days) in the pastures fertilized with 200 kg ha-¹ N. Conversely, in winter, the pastures fertilized with 100 kg ha-¹ N showed higher LLS, SER and phyllochron values, but lower FLL values. There was no isolated effect of N rates (P > 0.05) on forage accumulation rate; leaf appearance, elongation or senescence rates; leaf:stem ratio; or TD. However, the effect of seasons was significant for these variables, with the highest values occurring during spring and summer. The use of 200 kg ha-¹ N in Ipyporã grass pastures reduces the seasonality of forage production. |
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Thesagro: |
Adubação; Brachiaria Brizantha; Brachiaria Ruziziensis. |
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Thesaurus NAL: |
Forage production; Grasses; Nitrogen fertilizers; Tropical pastures. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1149432/1/Morphogenetic-structural-traits-2022.pdf
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Marc: |
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024 7 $ahttp://doi.org/10.1590/0103-8478cr20201074$2DOI
100 1 $aCAMARGO, F. C.
245 $aMorphogenetic and structural traits of Ipyporã grass subjected to nitrogen fertilization rates under intermittent grazing.$h[electronic resource]
260 $c2022
520 $aABSTRACT- This study examined the effects of annual nitrogen (N) rates of 100 and 200 kg ha-¹ on the morphogenetic and structural traits of Ipyporã grass (Brachiaria brizantha × Brachiaria ruziziensis) under intermittent grazing during the seasons of the year. The experiment was laid out in a randomized-block design with two treatments and three area replicates. Ipyporã grass pastures were grazed by beef cattle. Morphogenetic and structural traits of the forage canopy were evaluated using the marked-tiller technique. Forage accumulation and tiller density (TD) were also evaluated. Significant interaction effects (P < 0.05) between N rates and seasons were observed for the rest period, leaf lifespan (LLS), phyllochron, stem elongation rate (SER) and final leaf length (FLL). During winter, the rest period was shorter (40 vs. 50 days) in the pastures fertilized with 200 kg ha-¹ N. Conversely, in winter, the pastures fertilized with 100 kg ha-¹ N showed higher LLS, SER and phyllochron values, but lower FLL values. There was no isolated effect of N rates (P > 0.05) on forage accumulation rate; leaf appearance, elongation or senescence rates; leaf:stem ratio; or TD. However, the effect of seasons was significant for these variables, with the highest values occurring during spring and summer. The use of 200 kg ha-¹ N in Ipyporã grass pastures reduces the seasonality of forage production.
650 $aForage production
650 $aGrasses
650 $aNitrogen fertilizers
650 $aTropical pastures
650 $aAdubação
650 $aBrachiaria Brizantha
650 $aBrachiaria Ruziziensis
700 1 $aDIFANTE, G. dos S.
700 1 $aMONTAGNER, D. B.
700 1 $aEUCLIDES, V. P. B.
700 1 $aTAIRA, C. de A. Q.
700 1 $aGURGEL, A. L. C.
700 1 $aSOUZA, D. L. de
773 $tCiência Rural$gv.52, n.5, e20201074, 2022.
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Embrapa Gado de Corte (CNPGC) |
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