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Bragantia  2009 

Nitrogênio e boro na produ??o e incidência de haste oca em couve-flor 'Sharon'

DOI: 10.1590/S0006-87052009000300024

Keywords: brassica oleracea var. botrytis, fertilization, deficiency, nutrition.

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Abstract:

the objective was evaluate nitrogen (100, 150, 200 and 250 kg ha-1) and boron rates (0; 1.5 kg ha-1 at planting and 1.5 kg ha-1 after 45 transplanting days and 3.0 kg ha-1 at planting) on yield and hollow stem disorder of cauliflower 'sharon' in blocks randomized in factorial design with four replications. the experiment was carried out in field conditions, in piracicaba, s?o paulo state, at nitossolo vermelho eutrófico soil during november/2005 until march/2006. the nitrogen and boron did not effect on commercial and total yield, inflorescence mass, n and b levels of leaves and inflorescences. hollow stem incidence was reduced by b application.

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