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Spray distribution evaluation of different settings of a hand-held-trolley sprayer used in greenhouse tomato crops

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10.1002/ps.4014
 
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hdl:2117/102870

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Llop Casamada, JordiMés informacióMés informacióMés informació
Gil Moya, EmilioMés informacióMés informacióMés informació
Gallart González-Palacio, MontserratMés informacióMés informació
Contador, Felipe
Ercilla-Montserrat, Mireia
Document typeArticle
Defense date2016-03
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectESTRATEGIAS INTEGRALES PARA UNA UTILIZACION DE FITOSANITARIOS SEGURA Y EFICAZ. PULVERIZACION DE PRECISION Y MONITORIZACION DE LA DERIVA EN FRUTICULTURA. (MICINN-AGL2010-22304-C04-03)
Abstract
Hand-held-trolley sprayers have recently been promoted to improve spray application techniques in greenhouses in south-eastern Spain. However, certain aspects remain to be improved. A modified hand-held-trolley sprayer was evaluated under two different canopy conditions (high and low canopy density) and with several sprayer settings (nozzle type, air assistance and spray volume). In this study, the deposition, coverage and uniformity of distribution of the spray on the canopy have been assessed. RESULTS The deposition on leaves was significantly higher when flat-fan nozzles and air assistance were used at both high and low spray volumes. No differences were detected between the reference system at a high spray volume and the modified trolley at a low spray volume. Flat-fan nozzles with air assistance increased penetrability into the canopy. CONCLUSIONS Air assistance and flat-fan nozzles allow volume rates to be reduced while maintaining or improving spray quality distribution. The working parameters of hand-held sprayers must be considered to reduce environmental risk and increase the efficacy of the spraying process. © 2015 Society of Chemical Industry
CitationLlop, J., Gil, E., Gallart, M., Contador, F., Ercilla-Montserrat, M. Spray distribution evaluation of different settings of a hand-held-trolley sprayer used in greenhouse tomato crops. "Pest management science", Març 2016, vol. 72, núm. 3, p. 505-516. 
URIhttp://hdl.handle.net/2117/102870
DOI10.1002/ps.4014
ISSN1526-498X
Publisher versionhttp://onlinelibrary.wiley.com/doi/10.1002/ps.4014/abstract
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  • ASQUAS - Agricultura Sostenible i Qualitat dels Aliments - Articles de revista [20]
  • Departament d'Enginyeria Agroalimentària i Biotecnologia - Articles de revista [945]
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