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Variable rate spraying in varied micro-meteorological conditions 111
Khot, L. R.; Ehsani, Reza; Albrigo, L. G.; Swen, W.; Neto, J. C.; Campoy, J. M.; Wellington, C..
This study evaluated effects of crosswind on the variable rate sprayer application treatments spray coverage and deposition on different citrus canopy sizes.  The axial-fan airblast sprayer retrofitted with variable liquid- and air-assist rates was field-tested with different crosswind conditions on small (about 2 m tall and < 1.5 m wide) and medium-sized (about 3 m tall and < 2.5 m wide) canopies.  Crosswinds of 1.3, 2.7, and 4.0 ms-1 on the canopies being sprayed were generated using the stationary conical air shaker as the air blower unit.  Water sensitive papers (WSPs) were used to collect droplet deposits and image processing software was used to analyze the WSPs scanned at 600 dpi.  Percent spray coverage on the WSPs was found to be one of the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Airblast sprayer; Adjustable air-assistance; Crosswind; Spray coverage; Citrus..
Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2738
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