Browsing by Author "Campos Tobajas, Javier"
Now showing items 1-20 of 20
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Assessment of canopy characteristics in vineyard from vigour maps obtained using UAV and satellite imagery
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-03-19)
Article
Open AccessCanopy characterisation is a key factor for the success and efficiency of the pesticide application process in vineyards. Canopy measurements to determine the optimal volume rate are currently conducted manually, which is ... -
Comprobación de un sistema de apliación variable basado en mapas de vegetación obtenidos con un vehículo aéreo no tripulado (UAV)
(Universidad de Zaragoza (UZA), 2019)
Conference report
Open AccessLas características de la vegetación son un aspecto fundamental a tener en cuenta para determinar el volumen de aplicación de productos fitosanitarios. El alto grado de variabilidad intraparcelaria ha aumentado la dificultad ... -
Development of canopy vigour maps using UAV for site-specific management during vineyard spraying process
(2019-01-01)
Article
Open AccessSite-specific management of crops represents an important improvement in terms of efficiency and efficacy of the different labours, and its implementation has experienced a large development in the last decades, especially ... -
Diseño de un dispositivo detector de obturaciones en aplicaciones de fertilizantes líquidos
(Universitat Politècnica de Catalunya, 2014-12-19)
Bachelor thesis
Restricted access - author's decisionThe high cost of the liquid fertilizer application equipment, unaffordable for the majority of the farmers, forces them to derive the fertilizer contributions to the utilities. Due to the big demand of these applications, ... -
Dosaviña: nueva aplicación para el correcto uso de fitosanitarios en la viña
(2020)
Article
Open AccessLos viticultores cuentan con una nueva herramienta para optimizar el uso de productos fitosanitarios en la viña adecuando el proceso a los requerimientos establecidos por el nuevo marco legislativo europeo derivado de ... -
DOSAVIÑA: Tool to calculate the optimal volume rate and pesticide amount in vineyard spray applications based on a modified leaf wall area method
(2019-05-01)
Article
Open AccessDOSAVIÑA is a new tool (website and app for smartphones) developed for calculating the optimal volume rates and pesticide doses to apply during spray application processes in vineyards. DOSAVIÑA also calculates and recommends ... -
Dynamic evaluation of airflow stream generated by a reverse system of an axial fan sprayer using 3D-ultrasonic anemometers. Effect of canopy structure
(2019-08-01)
Article
Open AccessAir assisted sprayers are currently used for the applications of plant protection products in fruit trees and vineyards. However, the use of these equipment carries a high environmental risk, mainly owing to the generation of ... -
Estudio de la turbulencia del aire y su efecto en la distribución de producto en carretillas adaptadas para tratamientos en invernaderos
(2017)
Conference report
Open AccessThe present work consisted to characterize the fluctuations of the airflow produced by 4 sprayers adapted to greenhouse phytosanitary applications. Four equipment were used: 1) a handheld trolley sprayer (Amate, Almería, ... -
Evaluation of horizontal patternators according to international standard requirements for boom sprayers
(2021)
Article
Restricted access - publisher's policyUniformity of spray volumetric distribution is one of the officially established measurements for the evaluation of horizontal boom sprayers according to ISO 16119 and requirements established in ISO 16122. -
Evaluation of leaf deposit quality between electrostatic and conventional multi-row sprayers in a trellised vineyard
(2020-01-01)
Article
Open AccessSpray application technologies for specialty crops have developed considerably in recent years with regard to improved control, reduced cost, and ability to avoid environmental contamination. For example, new developments ... -
Influence of sprayer type, air settings and nozzle type on drift during spray application in vineyard. Effect of canopy density on spray retention
(2017)
Conference report
Open AccessSprayer types, as well as working parameters, have direct influence on the amount of spray retained on the canopy. This research was focused on the quantification of spray amount that exceeded the last canopy row during ... -
Monitoring site-specific spraying in vineyards from a prescription map obtained with a UAV
(2019)
Conference lecture
Open AccessThis work presents the development of an actual site-specific spraying map of a variable rate sprayer prototype, which works following a prescription map obtained with a UAV. Trials were conducted in Torrelavit (NE Spain) ... -
On-Farm evaluation of prescription map-based variable rate application of pesticides in vineyards
(2020-01-01)
Article
Open AccessCanopy characteristics are crucial for accurately and safely determining the pesticide quantity and volume of water used for spray applications in vineyards. The inevitably high degree of intraplot variability makes it ... -
Orchard sprayer’s evaluation according to ISO 16119-3. Need to support manufacturer’s procedure
(2018)
Conference report
Open AccessSince the publication of European Directive (2009/127/EC), environmental requirements for new orchard sprayers are mandatory. Only equipment which has successfully accomplished the specifications can be placed into the EU market -
Relative efficiencies of experimental and conventional foliar sprayers and assessment of optimal LWA spray volumes in trellised wine grapes
(2021-01-13)
Article
Open AccessLeaf wall area (LWA) has been proposed as an appropriate dose expression for field testing of plant protection products (PPPs) applied via foliar spray in trellised grapes. However, its efficiency could change depending ... -
Spanish’s experience on improving inspection of sprayers: official manual for ISO 16122 and ISO 16119
(2018)
Conference report
Open AccessMandatory inspections in Spain are organized following ISO 16122. In order to guarantee a clear and comprehensive inspection’s procedure in all of the official inspection’s workshops, the Spanish Ministry of Agriculture ... -
Taking advantage of difficulties. Variable rate application based on canopy maps to achieve a sustainable crop protection process
(2020)
Conference lecture
Open AccessThe aim of this work wasto evaluate the use of Variable Rate Application technologies based on prescription maps in commercial vineyards with large intra-parcel variability to achieve a more sustainable distribution ... -
Tecnologías emergentes y agricultura de precisión en cultivos tridimensionales : implementación y mejora de las técnicas de aplicación de fitosanitarios en viña
(Universitat Politècnica de Catalunya, 2021-07-28)
Doctoral thesis
Open AccessThe use of plant protection products (PPP) has become an essential tool in agriculture to achieve the minimum requirements of quality and quantity of food demanded by consumers. Moreover, due to its repeated use throughout ... -
Uso de los drones como herramientas de gestión del viñedo
(2020-12-22)
Article
Open AccessEl ecosistema que rodea la producción de uva y vino a nivel español se ve inmerso en un importante cambio de paradigma productivo con crecientes retos a los que hacer frente si se quiere asegurar su sostenibilidad durante ... -
Valoración sobre la actuación de los agricultores respecto a la contaminación del agua durante la aplicación de fitosanitarios (proyecto europeo TOPPS)
(2017)
Conference report
Open AccessEl proyecto europeo TOPPS, impulsado por el sector privado con el apoyo de las instituciones públicas, pretende hacer llegar toda la información necesaria a los agricultores europeos acerca de ...
