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Provedor de dados:  REA
País:  Brazil
Título:  Performance of spray nozzles in land applications with high speed
Autores:  Zaidan,Samir E.
Gadanha Jr,Casimiro D.
Gandolfo,Marco A.
Pontelli,Cristiano O.
Mosquini,Walter W.
Data:  2012-12-01
Ano:  2012
Palavras-chave:  Spray nozzles
Speed
Soybean
Pulverizer
Resumo:  The aim of this study was to evaluate different spray nozzles for land applications in high speed on the coverage and deposit in soybean plants pulverization. It was evaluated the AXI 110 04 plane jet nozzles operated at speed of 4.17m.s-1 (control), the grey APE and the AXI 110 08 plane jets, and the TD HiSpeed 110 06 and AXI TWIN 120 06 twin jets, at speed of 9.72m.s-1. The application volume was fixed in 120L ha-1. The application efficiency was evaluated by two different methods: analysis of the coverage area using fluorescent pigment and UV light and analysis of deposits through the recovery and quantification of FD&C N°1 brilliant blue marker by spectrophotometry. Both analyses were done in samples collected from top, middle and bottom parts of the plants. The spray nozzles showed differences in coverage and deposit pattern, so in the top part, the coverage was increased with smaller drops and the deposits were increased with medium drops. In the other parts of the plants, there were no statistical differences between the treatments for both coverage and deposits. The displacement speed did not influence the application efficiency for nozzles with the same drop pattern, and the obtained spray coverage and deposits at the medium and bottom parts of the plants were less than 50% of that found at the top of the soybean plants.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162012000600014
Editor:  Associação Brasileira de Engenharia Agrícola
Relação:  10.1590/S0100-69162012000600014
Formato:  text/html
Fonte:  Engenharia Agrícola v.32 n.6 2012
Direitos:  info:eu-repo/semantics/openAccess
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