Abstract
ABSTRACT Sprayer evaluation is an important tool to improve pesticide application technology. The objective of this study was to evaluate the quantitative aspects of the working conditions of boom sprayers in the region of Uberlândia, Minas Gerais, and the inspection methodology for Brazilian conditions. The evaluations were done in farm properties randomly visited and consisted of a ques-tionnaire filled out by the equipment operator and by the inspection team during in loco visits. The items evaluated were: boom volumetric distribution, rotation at power take-off, spray volume, flow rate at the nozzle tips, spacing between nozzles, noise level and manometer precision. The results indicated the need to implement a frequent evaluation program for this equipment, since boom maintenance is being done incorrectly. The method used was adequate to evaluate the working conditions of the agricultural boom sprayers, except for boom volumetric distribution. Key words: spray technology, pesticide application, agricultural machinery inspection.
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