Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/955879
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dc.contributor.authorLOPES, M. N.pt_BR
dc.contributor.authorCÂNDIDO, M. J. D.pt_BR
dc.contributor.authorPOMPEU, R. C. F. F.pt_BR
dc.contributor.authorSILVA, R. G. dapt_BR
dc.contributor.authorCARVALHO, T. C. F. dept_BR
dc.contributor.authorSOMBRA, W. A.pt_BR
dc.contributor.authorMORAIS NETO, L. B. dept_BR
dc.contributor.authorPEIXOTO, M. J. A.pt_BR
dc.date.accessioned2013-04-15T11:11:11Zpt_BR
dc.date.available2013-04-15T11:11:11Zpt_BR
dc.date.created2013-04-15pt_BR
dc.date.issued2013pt_BR
dc.identifier.citationRevista Brasileira de Zootecnia, Viçosa, MG, v. 42, n. 1, p. 13-21, 2013.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/955879pt_BR
dc.descriptionAbstract: This study evaluated the biomass flow of massai grass in regrowth subjected to different nitrogen levels (control - no fertilization; 400; 800; and 1200 N kg ha-1year-1) and under rotational stocking with sheep, in a completely randomized design with repeated measures over time. The leaf elongation rate increased with increasing nitrogen levels (N) and the fourth grazing cycle presented a lower value compared with the others. The stem elongation rate responded linearly with increasing levels of N, but it was not influenced by grazing cycles. The senescence rate of leaves remaining before grazing and after grazing were not influenced by the nitrogen fertilization or amended with successive grazing cycles. The phyllochron was influenced only by the nitrogen fertilization, with a decreasing linear response with nitrogen levels. Quadratic response was observed for the average length of leaves with increasing N levels and the grazing cycle 4 presented the lowest value for this variable. For each kilogram N ha-1 year-1, increases of 0.161 and 0.1604 kg ha-1 day-1 were verified in the herbage growth and accumulation rates, respectively. Nitrogen fertilization favors the biomass flow of massai grass, promoting an expressive increase in the production and accumulation of forage.pt_BR
dc.language.isoporpt_BR
dc.rightsopenAccesspt_BR
dc.subjectPanicum infestumpt_BR
dc.subjectFluxo de biomassapt_BR
dc.subjectCapim massaipt_BR
dc.subjectNitrogen fertilizationpt_BR
dc.titleBiomass flow in massai grass fertilized with nitrogen under intermittent stocking grazing with sheep.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2015-04-20T11:11:11Zpt_BR
dc.subject.thesagroOvinopt_BR
dc.subject.thesagroFixação de nitrogêniopt_BR
dc.subject.thesagroMorfogênesept_BR
dc.subject.thesagroPanicum maximumpt_BR
dc.subject.thesagroPastejopt_BR
dc.subject.thesagroFertilizante nitrogenadopt_BR
dc.subject.nalthesaurusSheeppt_BR
dc.subject.nalthesaurusMorphogenesispt_BR
dc.subject.nalthesaurusGrazingpt_BR
riaa.ainfo.id955879pt_BR
riaa.ainfo.lastupdate2015-04-20pt_BR
dc.identifier.doihttp://dx.doi.org/10.1590/S1516-35982013000100003pt_BR
dc.contributor.institutionMarcos Neves Lopes, Universidade Federal do Ceará (UFC) - Fortaleza, CE.; Magno José Duarte Cândido, UFC - Fortaleza, CE; ROBERTO CLAUDIO FERNANDES F POMPEU, CNPC; Rodrigo Gregório da Silva, Instituto Federal de Educação, Ciência e Tecnologia (IFCE), Campus Avançado do Tauá - Tauá, CE.; Thaíse Cristine Ferreira de Carvalho, IFCE - Tauá, CE.; Weberte Alan Sombra, UFC - Fortaleza, CE; Luiz Barreto de Morais Neto, UFC - Fortaleza, CE; Márcio José Alves Peixoto, Secretaria do Desenvolvimento Agrário do Ceará (SDA) - Fortaleza, CE.pt_BR
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