Effects of operational variables on agrochemical spray application quality and drift

Pesticide spraying is the most widespread form of pest control. Spraying is a complex process, from the agronomic and environmental point of view. A field trial was carried out, to evaluate the effect of three agrochemical application techniques. In all of them, an air-induced flat fan was used, wi...

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Autores principales: Merani, Victor Hugo, Mur, Matilde, Ramirez, Federico, Ponce, Mariano Julio, Guilino, Facundo, Palancar, Telmo Cecilio
Formato: Artículo revista
Lenguaje:Español
Publicado: Facultad de Ciencias Agropecuarias. Área de Difusión Científica 2019
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Acceso en línea:https://revistas.unc.edu.ar/index.php/agris/article/view/19093
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id I10-R10article-19093
record_format ojs
institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-10
container_title_str Revistas de la UNC
language Español
format Artículo revista
topic flat fan
application rate
airborne drift
low volume
abanico plano
tasa de aplicación
exoderiva
bajo volumen
spellingShingle flat fan
application rate
airborne drift
low volume
abanico plano
tasa de aplicación
exoderiva
bajo volumen
Merani, Victor Hugo
Mur, Matilde
Ramirez, Federico
Ponce, Mariano Julio
Guilino, Facundo
Palancar, Telmo Cecilio
Effects of operational variables on agrochemical spray application quality and drift
topic_facet flat fan
application rate
airborne drift
low volume
abanico plano
tasa de aplicación
exoderiva
bajo volumen
author Merani, Victor Hugo
Mur, Matilde
Ramirez, Federico
Ponce, Mariano Julio
Guilino, Facundo
Palancar, Telmo Cecilio
author_facet Merani, Victor Hugo
Mur, Matilde
Ramirez, Federico
Ponce, Mariano Julio
Guilino, Facundo
Palancar, Telmo Cecilio
author_sort Merani, Victor Hugo
title Effects of operational variables on agrochemical spray application quality and drift
title_short Effects of operational variables on agrochemical spray application quality and drift
title_full Effects of operational variables on agrochemical spray application quality and drift
title_fullStr Effects of operational variables on agrochemical spray application quality and drift
title_full_unstemmed Effects of operational variables on agrochemical spray application quality and drift
title_sort effects of operational variables on agrochemical spray application quality and drift
description Pesticide spraying is the most widespread form of pest control. Spraying is a complex process, from the agronomic and environmental point of view. A field trial was carried out, to evaluate the effect of three agrochemical application techniques. In all of them, an air-induced flat fan was used, with different application rates, sprayer speeds and noozle spacing. Three techniques were defined: T1 (57 l ha-1, 18 km h-1 and 0,35 m), T2 (28,7 l ha-1, 18 km h-1 and 0,70 m) and T3 (57 l ha-1, 9 km h-1 and 0,70 m. To assess the techniques, water-sensitive cards were placed on the ground in vertical columns, to measure the quality of application, sedimenting spray drift and cumulative airborne spray drift. The three techniques were similar in application quality but T1 reached a greater coverage. Regarding the airborne drift factor, T2 presented significant differences with respect to the other two techniques, which leads to the conclusion that higher speeds, larger noozle space and lower application rates increase airborne drift. There were no differences in sedimenting drift. Operational variables affect environmental risks regardless of the drop size produced.  
publisher Facultad de Ciencias Agropecuarias. Área de Difusión Científica
publishDate 2019
url https://revistas.unc.edu.ar/index.php/agris/article/view/19093
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