adubação orgânica, mineral e organomineral e sua influencia no crescimento da helicônia em garanhuns-pe organic, mineral and organomineral fertilization and its influence on the growth of heliconia in garanhuns, brazil

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2012
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Abstract
As helicônias se destacam pela beleza e variedade de formas e cores e estão entre as flores tropicais mais comercializadas no mundo. Foi avaliado o crescimento e o desenvolvimento de Heliconia psittacorum x H. spathocircinata, cv. Golden Torch, quanto à adubação orgânica e mineral. O experimento foi conduzido em campo, em delineamento inteiramente casualizado. Os tratamentos foram constituídos por quatro dosagens de adubo (testemunha (T1) solo local; esterco de boi (T2); adubo mineral NPK (T3) e esterco de boi + NPK (T4)), em dez repetições. Foram avaliados a altura da planta, número de brotações, época do florescimento, número, tamanho e peso das inflorescências. A combinação da adubação mineral (NPK) e orgânica (esterco) (organomineral) afetou significativamente a altura das plantas, apresentando um aumento de mais de 23% quando comparada com o controle aos 330 dias após o plantio. Aos seis meses de cultivo, todas as plantas exibiam um crescimento bastante homogêneo e vigoroso, sem sintomas visuais de deficiência nutricional, evidenciando que a adubação química associada ao esterco bovino (organomineral) é a mais recomendada para o cultivo de helicônia cv. Golden Torch. Essa cultivar pode ser bem adaptada às condições de Garanhuns.
Heliconia stands out for its beauty and variety of shapes and colors and this plant is among the most traded tropical flowers in the world. We evaluated the growth and development of Heliconia psittacorum x H. spathocircinata cv. Golden Torch, submitted to organic and mineral fertilization. The experiment was carried out in field, in a completely randomized design. The treatments consisted of four doses of fertilizer (control (T1) local soil; cattle manure (T2); mineral fertilizer NPK (T3) and cattle manure + NPK (T4)), in ten replications. We evaluated plant height, number of shoots, flowering time, number, size and weight of inflorescences. The combination of mineral fertilizer (NPK) and organic (manure) (organomineral) significantly affected plant height resulting in an increase of over 23% when compared with the control 330 days after planting date. After six months of cultivation, all plants exhibited a very homogeneous and vigorous growth without visual symptoms of nutrient deficiency, showing that chemical fertilization associated with cattle manure (organomineral) is highly recommended for growing heliconia cv. Golden Torch. This cultivar can be well adapted to the conditions of Garanhuns, Pernambuco state, Brazil.
Reference Key
carvalho2012horticulturaadubao Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Josabete SB Carvalho;Jéssyca DL Martins;Cláudia Ulisses;Wilkilane L Silva
Journal research on biomedical engineering
Year 2012
DOI
10.1590/S0102-05362012000400003
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362012000400003
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