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dc.contributor.authorPACIULLO, D. S. C.
dc.contributor.authorGOMIDE, C. A. de M.
dc.contributor.authorCASTRO, C. R. T. de
dc.contributor.authorMAURÍCIO, R. M.
dc.contributor.authorFERNANDES, P. B.
dc.contributor.authorMORENZ, M. J. F.
dc.date.accessioned2023-10-10T10:24:49Z-
dc.date.available2023-10-10T10:24:49Z-
dc.date.created2016-11-23
dc.date.issued2016
dc.identifier.citationGrass and Forage Science, v. 72, n. 3, p. 590-600, 2017.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1056931-
dc.descriptionPanicum 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.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectFertilization
dc.subjectShading
dc.subjectTiller population density
dc.titleMorphogenesis, biomass and nutritive value of Panicum maximum under different shade levels and fertilizer nitrogen rates.
dc.typeArtigo de periódico
dc.subject.nalthesauruschemical composition
dc.subject.nalthesaurusforage production
dc.subject.nalthesaurussilvopastoral systems
riaa.ainfo.id1056931
riaa.ainfo.lastupdate2023-10-09
dc.identifier.doihttps://doi.org/10.1111/gfs.12264eng
dc.contributor.institutionDOMINGOS 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.
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