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Revista de Ciências Agrárias
versão impressa ISSN 0871-018X
Resumo
SILVA JUNIOR, Gabriel Barbosa da; CAVALCANTE, Ítalo Herbert Lucena; ALBANO, Francisca Gislene e OSAJIMA, Josy Anteveli. Nutritional status and leaf chlorophyll of the yellow passion fruit as a function of biofertilizer, liming with NK fertilization. Rev. de Ciências Agrárias [online]. 2013, vol.36, n.2, pp.163-173. ISSN 0871-018X.
Due to the high production costs and the preservation necessity of environmental resources, ecological alternatives have been seeking for, emphasizing product quality, mitigating the level of contaminations of the agroecossystems. So, we carried out a study aiming to evaluate the effect of liquid biofertilizers, fertilization with 50 and 100% of the recommendation of nitrogen and potassium fertilization on coverage (NK), in the absence and presence of liming, applied to the soil on the nutritional status and leaf chlorophyll in the yellow passion fruit Bom Jesus, PI. We adopted the randomized block design with treatments arranged in a factorial 2 x 2 x 3, corresponding to liming, biofertilizers (without biofertilizer, simple biofertilizer and biofertilizer enriched) and mineral fertilizer with four replications. The contents of macronutrients in leaves of yellow passion fruit plants are influenced by the types of biofertilizers, liming and mineral fertilization. Dose 100% of NK is efficient in the accumulation of N, K, Ca e Mg in the leaf drought weitght of the yellow passion fruit.
Palavras-chave : Organic fertilization; plant nutrition; Passiflora edulis.