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Por favor, use este identificador para citar o enlazar este ítem: https://biblioteca-repositorio.clacso.edu.ar/handle/CLACSO/77871
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dc.creatorMoura, Regiana dos Santos-
dc.creatorMarques, Adenaelson de Sousa-
dc.creatorSantos Silva, Elton Jonh-
dc.creatorda Silva Junior, Gabriel Barbosa-
dc.creatorde Sousa, Tiago Medeiros-
dc.creatorda Silva, Everaldo Moreira-
dc.date2018-04-12-
dc.date.accessioned2022-03-21T20:08:07Z-
dc.date.available2022-03-21T20:08:07Z-
dc.identifierhttps://comunicatascientiae.com.br/comunicata/article/view/1900-
dc.identifier10.14295/cs.v8i4.1900-
dc.identifier.urihttp://biblioteca-repositorio.clacso.edu.ar/handle/CLACSO/77871-
dc.descriptionYellow passion fruit is the most cultivated species in Brazil and requires high amounts of nitrogen and an adequate nutritional status to express its entire productive potential. In this sense, this study aimed to evaluate the effect of different sources and doses of nitrogen via fertigation on nutritional status and leaf chlorophyll of yellow passion fruit. The experiment was conducted from June 2013 to August 2014 in Gurgueia Valley, Cristino Castro county, Piaui State, Brazil. The experimental design was randomized blocks with four replications, in a 2 x 5 factorial design related to the application of two nitrogen sources (urea and ammonium sulfate) and five N levels (100, 200, 300, 400 and 500 kg ha-1 year-1). Six plants per replication were considered, totaling 240 plants, spaced 3 m between rows and 3 m between plants, and covering an area of 2,160 m2. At pre-flourishing, it was evaluated leaf chlorophyll index and leaf nitrogen, phosphorus, potassium, calcium, magnesium and sulfur contents. Urea increases Ca and Mg leaf contents and reduces leaf S content in relation to ammonium sulfate. The increase in nitrogen fertilizing levels enhances leaf N and Mg concentrations. For Ca, the optimal ammonium sulfate dose is 296.30 kg ha-1.en-US
dc.descriptionYellow passion fruit is the most cultivated species in Brazil and requires high amounts of nitrogen and an adequate nutritional status to express its entire productive potential. In this sense, this study aimed to evaluate the effect of different sources and doses of nitrogen via fertigation on nutritional status and leaf chlorophyll of yellow passion fruit. The experiment was conducted from June 2013 to August 2014 in Gurgueia Valley, Cristino Castro county, Piaui State, Brazil. The experimental design was randomized blocks with four replications, in a 2 x 5 factorial design related to the application of two nitrogen sources (urea and ammonium sulfate) and five N levels (100, 200, 300, 400 and 500 kg ha-1 year-1). Six plants per replication were considered, totaling 240 plants, spaced 3 m between rows and 3 m between plants, and covering an area of 2,160 m2. At pre-flourishing, it was evaluated leaf chlorophyll index and leaf nitrogen, phosphorus, potassium, calcium, magnesium and sulfur contents. Urea increases Ca and Mg leaf contents and reduces leaf S content in relation to ammonium sulfate. The increase in nitrogen fertilizing levels enhances leaf N and Mg concentrations. For Ca, the optimal ammonium sulfate dose is 296.30 kg ha-1.pt-BR
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherFederal University of Piauíen-US
dc.relationhttps://comunicatascientiae.com.br/comunicata/article/view/1900/506-
dc.rightsCopyright (c) 2018 Regiana dos Santos Moura, Adenaelson de Sousa Marques, Elton Jonh Santos Silva, Gabriel Barbosa da Silva Junior, Tiago Medeiros de Sousa, Everaldo Moreira da Silvaen-US
dc.sourceComunicata Scientiae; Vol. 8 No. 4 (2017); 562-569en-US
dc.sourceComunicata Scientiae; v. 8 n. 4 (2017); 562-569pt-BR
dc.source2177-5133-
dc.source2176-9079-
dc.subjectnitrogen fertilizationen-US
dc.subjectplant nutritionen-US
dc.subjectmacronutrientsen-US
dc.subjectPassiflora edulisen-US
dc.subjectnitrogen fertilizationpt-BR
dc.subjectplant nutritionpt-BR
dc.subjectmacronutrientspt-BR
dc.subjectPassiflora edulispt-BR
dc.titleNutritional status of yellow passion fruit submitted to nitrogen sources by fertigationen-US
dc.titleNutritional status of yellow passion fruit submitted to nitrogen sources by fertigationpt-BR
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeArtigo Cientificoen-US
Aparece en las colecciones: Núcleo de Pesquisa sobre Crianças, Adolescestes e Jovens - Universidade Federal do Piauí - NUPEC/UFPI - Cosecha

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