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Print version ISSN 0100-6916
MION, Renildo L. et al. Calibration of angles of nozzles and deposition of an axial-flow sprayer on dwarf cashew. Eng. Agríc. [online]. 2012, vol.32, n.4, pp.802-809. ISSN 0100-6916. http://dx.doi.org/10.1590/S0100-69162012000400020.
The study aimed to determine an optimum angle for the nozzles axial-flow sprayers a deposition for better vertical distribution focused on cashew. In laboratory tests were conducted adjusting the angle of the nozzle axial-flow sprayers. The experimental design was randomized blocks in a 2x3 factorial with four replications. The treatment for this test were two settings (with and without the adjustment of the angles of the nozzles ) and tree application volumes 273, 699 and 954 L ha-¹.The study was conducted in an orchard of dwarf cashew, with eight years of age. It was concluded that the volumetric distribution profile showed better vertical distribution uniformity when the angles of the nozzles were regulated for the canopy, the adjustment of the angles of the nozzles for the canopy provided greater deposition of droplets, the increased volume of application resulted in higher depositions in the leaves of the crop.
Keywords : fruit; deposition; vertical patternator.