Abstract— The snap beans is greatly appreciated and consumed by Brazilians, and the snap beans commercial seeds are divided into indeterminate growth habit and determined. Farmers most often plant indeterminate growth habit bean-pod, so the fertilizer recommendations are for this habit. Due to the availability of determinate growth habit cultivars, it is necessary to study the nutrition area, because they have the shortest cycle, flowering and pod production in concentrated period, smaller spacing and planting densities with greater influence in the population by ha. The study aimed to evaluate the snap bean growth given in the search response with increased productivity positively due to the use of silicon as well as the rational use of Nitrogen and Molybdenum. The experiment was design on track and installed with subplots and two replications, using treatments with and without foliar application of 5% of eucalyptus ash, four nitrogen doses 0, 50, 100 and 150 kg N / ha and four molybdenum doses in foliar application 0, 30, 60 and 90 g Mo / ha. Nitrogen and molybdenum treatments responded with a yield and quality increase, allowing adjusting of quadratic equations regression and to recommend if the farmer does not use molybdenum, the nitrogen dose of 79.2 kg in coverage application. For molybdenum and nitrogen, according to the results obtained, the doses of 35g Mo / ha and 130 kg N / ha in coverage are recommended in coverage application. The silicon, applied through eucalyptus ash, did not respond in production.
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