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Provedor de dados:  Ciência Rural
País:  Brazil
Título:  DRIS standard and normal ranges of foliar nutrients for the culture of ‘Thompson’ atemoya
Autores:  Santos,Eduardo Maciel Haitzmann dos
Rozane,Danilo Eduardo
Data:  2017-01-01
Ano:  2017
Palavras-chave:  Annonaceae
Mineral nutrition
Foliar diagnosis
Nutritional balance
Resumo:  ABSTRACT: Atemoya, an interspecific hybrid belonging to Annonaceae family, is the outcome of a cross between cherimoya (Annona cherimola Mill.) and Custard apple (Annona squamosa L.). In light of the current shortage of scientific data on the nutritional management techniques for this fruit, the need to develop and apply a specific methodology becomes crucial. From the variety of plant diagnostic tools available, the DRIS method was selected, for use in the commercial cultivation of the ‘Thompson’ cultivar of atemoya located in the São Paulo State, municipalities of Itapetininga, Piedade, Pilar do Sul and Salto de Pirapora. Normal nutrient ranges were determined to interpret the levels of N, P, K, Ca, Mg, S, B, Cu, Fe, Mn and Zn in the culture through statistical regression analysis and samples of leaf dry matter, with their respective DRIS indices. Although the general index of the nutritional balance of DRIS disallowed establishing a link with productivity, this study achieved it based on the standard of determining normal ranges for cognate macronutrients to the ones cited in the literature.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Editor:  Universidade Federal de Santa Maria
Relação:  10.1590/0103-8478cr20160613
Formato:  text/html
Fonte:  Ciência Rural v.47 n.4 2017
Direitos:  info:eu-repo/semantics/openAccess

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