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Droplet spectrum of a spray nozzle under different weather conditions Rev. Ciênc. Agron.
Maciel,Christiam Felipe Silva; Teixeira,Mauri Martins; Fernandes,Haroldo Carlos; Zolnier,Sérgio; Cecon,Paulo Roberto.
ABSTRACT The application of pesticides is always susceptible to losses through evaporation and drift of the spray droplets. With these losses, a smaller amount of pesticide reaches the target, possibly impairing the efficiency of phytosanitary control. Due to these concerns, the aim of this study was to evaluate the interference of weather conditions in the droplet spectrum produced by hydraulic spraying. To carry out the work, it was necessary to build an experimental system. This consisted of a laser particle-size analyser, hydraulic nozzle (Jacto JSF 11002), stationary sprayer, gas heater, wind tunnel, climate chamber (with the aim of maintaining the internal psychrometry similar to that of the air exiting the wind tunnel), collector, and temperature...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Spraying losses; Droplet drift; Droplet evaporation; Hydraulic spraying; Laser particle-size analyser.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902018000300430
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