The accumulation of nitrogen, phosphorus and potassium in cut chrysanthemum (Dendranthema grandiflorum) cv. Jospithoven
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Data
2012
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Resumo
The objective of this study was to evaluate the accumulation of NPK in cut chrysanthemum, cv.
Jospithoven, at different phenologic phases, in the summer. The experiment was carried out in
greenhouse environment, in Goiás State, Brazil. The population density was 80 seedlings m -2 . The
experimental design was completely randomized, with plots split in time, and four replications. The
plant portion factor (stem, leaf, inflorescence and whole plant) was applied to plots, and the development
phases (45, 60, 75, 90, 105, and 120 days) applied to sub-plots. The plant nutrition was 133 g m -2 of
thermophosphate Yoorin and 150 g m -2 of fertilizer formula 5-25-15, which was added to the circulating
nutritive solution of calcium nitrate (20 g m -2 ), during all the evaluated period, alternated with potassium
sulfate (30 g m -2 ) and potassium nitrate (30 g m -2 ), each fifteen days. It was concluded that NPK demand
by chrysanthemum var. Jospithoven, during the growing cycle, ranges according to the plant age and the
organ studied, having been more accentuatedin the leaves and 105 days after sowing.
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Ornamental plant, Fertilization, Macronutrients, Planta ornamental, Macronutrientes, Adubação
Citação
FERNANDES, Eliana Paula; REZENDE, Cláudia Fabiana Alves; LEANDRO, Wison Mozena; FRAZÃO, Joaquim José; BARBOSA, Juliano Magalhães. The accumulation of nitrogen, phosphorus and potassium in cut chrysanthemum (Dendranthema grandiflorum) cv. Jospithoven. Semina: ciências agrárias, Londrina, v. 33, supl. 1, p. 2939-2948, 2012.