Abstract
The plant size, yield and size of fruit of Capsicum annuum 'Chile de Agua' of plants grown in a greenhouse and fertigated with different aliquots (50, 75 and 100%) of total ion in the nutrient solution and variation in the nitrogen/potassium ratio (low/high, normal/normal, high/low) of the Steiner’s formulation (1984) were evaluated. The work was conducted from 5 May to 8 August 2010 and the experiment was established in accordance with a completely randomized design with factorial arrangement 3×3, having nine treatments and 10 replicates per treatment. After three months, the plant height (cm), number of leaves, stem diameter (cm), yield quantified by number and total weight of fruit were evaluated. The data were submitted to analysis of variance and comparison of means. The plants had higher vegetative growth and fruit yield when they were fertigated with increased nutrient concentration. The N/K ratio variation in the nutrient solution did not influence the yield and size of the fruits. The higher fruit yield (2313.90 g) with larger and more firm fruit were obtained in plants receiving the aliquot at 100% of nutrient solution, and N/K ratio (normal/normal).
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