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dc.contributor.authorde Lima, Rosiane de Lourdes Silva
dc.contributor.authorde Azevedo, Carlos Alberto Vieira
dc.contributor.authorGheyi, Hans Raj
dc.contributor.authorCazetta, Jairo Osvaldo [UNESP]
dc.contributor.authorCarvalho, Genelicio Souza
dc.contributor.authorArrriel, Nair Helena de Castro
dc.date.accessioned2018-12-11T17:30:04Z
dc.date.available2018-12-11T17:30:04Z
dc.date.issued2016-01-01
dc.identifierhttp://dx.doi.org/10.21475/ajcs.2016.10.08.p6913
dc.identifier.citationAustralian Journal of Crop Science, v. 10, n. 8, p. 1069-1074, 2016.
dc.identifier.issn1835-2707
dc.identifier.issn1835-2693
dc.identifier.urihttp://hdl.handle.net/11449/178394
dc.description.abstractThe physic nut is an important plant for biodiesel production. However, research is still lacking as to the best leaves to be sampled in determining ideal mineral content. It is important that all factors causing variations in the mineral nutrient concentrations in leaves are identified and evaluated to determine the most efficient sampling technique. The positions of the leaves on the branches and on the plant shoot are critical variables affecting leaf composition. Thus, this study aimed to determine the best leaf position for sampling to evaluate the health status of adult physic nut plants. The experiment was conducted in the field, using a 5 � 3 factorial design, with leaves sampled at five positions on the branch (1st, 2nd, 3rd, 4th, and 5th node, from the apex), and three sections of the plant crown (apical, middle, and basal), in a completely randomized design with four replications, and four plants per plot. The concentration of macronutrients (N, P, Ca, Mg, and S) and micronutrients (Cu, Fe, Mn, and Zn) were determined for all samples. The results indicated that the sampling of leaves at the 3rd and 4th node of the flower-bearing branches, located in the middle section of the plant canopy, was the most indicative of the mineral composition of adult jatropha plants.en
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent1069-1074
dc.language.isoeng
dc.relation.ispartofAustralian Journal of Crop Science
dc.sourceScopus
dc.subjectJatropha curcas
dc.subjectLeaf sampling
dc.subjectMineral composition
dc.titleLeaf sampling to assess mineral nutrient composition of physic nut plants (Jatropha curcas L.)en
dc.typeArtigo
dc.contributor.institutionAcademic Unit of Agricultural Engineering
dc.contributor.institutionNucleus of Soil and Water Engineering
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionState University of Paraiba
dc.contributor.institutionEmpresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
dc.description.affiliationFederal University of Campina Grande Academic Unit of Agricultural Engineering
dc.description.affiliationFederal University of Rec�ncavo of Bahia Nucleus of Soil and Water Engineering
dc.description.affiliationUnesp - Universidade Estadual Paulista Technnology Department
dc.description.affiliationState University of Paraiba
dc.description.affiliationCompany Brasilian of Research Agropecu�ria (Embrapa) Embrapa Algod�o
dc.description.affiliationUnespUnesp - Universidade Estadual Paulista Technnology Department
dc.identifier.doi10.21475/ajcs.2016.10.08.p6913
dc.rights.accessRightsAcesso restrito
dc.identifier.scopus2-s2.0-84994156627
dc.relation.ispartofsjr0,354
dc.relation.ispartofsjr0,354
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