Effect of nitrogen, phosphorus and potassium fertilization on the yield of broccoli cultivars

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dc.creatorJaime Lozano Fernández
dc.creatorLuz Fanny Orozco Orozco
dc.creatorLuis Felipe Montoya Munera
dc.date2018
dc.date.accessioned2026-07-07T03:31:10Z
dc.descriptionOne of the causes of overusing compound and simple fertilizers in "Oriente Antioqueño" region is the low offer of research articles on fertilization in broccoli. Two experiments were carried out at municipality of Rionegro, Antioquia (Colombia). The first experiment was conducted in the second semester of 2013 in which two broccolis cultivars, Compact and De Cicco, were used. A randomized complete block design (RCBD) with four nitrogen doses (0, 50, 90 and 130 kg N ha-1) was arranged in a factorial 2 x 4, getting eight treatments. Using "San Cristobal" model in a RCBD design, Avenger and Legacy cultivars were grown in the second semester of 2014 including four levels of N, P2O5 and K2O as factors, arranging a total of 12 treatments in an incomplete factorial. Results of this experiment showed that in the first test, Compact cultivar reached a maximum production of 15.5 t ha-1 and De Cicco developed non-tradable inflorescences where a dose of 90 kg N ha-1 was applied, showing a low adaptation to this environmental conditions. In the second experiment, the relative growth height rates -stem diameter and yields- did not show significant statistical differences (P>0.05) regarding the treatments and cultivars evaluated. Avenger and Legacy got the highest yields, 19.0 and 12.2 t N ha-1 respectively, using doses of 60 kg N ha-1, 40 kg P2O5 ha-1 and 55 kg K2O ha-1.
dc.formatapplication/pdf
dc.identifier0304-2847
dc.identifierhttps://www.redalyc.org/articulo.oa?id=179955075005
dc.identifierhttps://www.redalyc.org/journal/1799/179955075005/
dc.identifierhttps://www.redalyc.org/journal/1799/179955075005/html/
dc.identifierhttps://www.redalyc.org/journal/1799/179955075005/179955075005.epub
dc.identifierhttps://www.redalyc.org/journal/1799/179955075005/movil
dc.identifier10.15446/rfna.v71n1.63058
dc.identifier.urihttp://hdl.handle.net/123456789/436227
dc.languageen
dc.publisherUniversidad Nacional de Colombia
dc.relationhttp://www.redalyc.org/revista.oa?id=1799
dc.rightsRevista Facultad Nacional de Agronomía - Medellín
dc.sourceRevista Facultad Nacional de Agronomía - Medellín (Colombia) Num.1 Vol.71
dc.subjectAgrociencias
dc.titleEffect of nitrogen, phosphorus and potassium fertilization on the yield of broccoli cultivars
dc.typeartículo científico

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Revista Facultad Nacional de Agronomía - Universidad Nacional de Colombia