Exploració per tema "Vineyard"
Ara es mostren els items 1-13 de 13
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Adaptació i avaluació d'un sistema PWM (Pulse Width Modulation) per tractaments fitosanitaris en cultius arboris
(Universitat Politècnica de Catalunya, 2021-05-28)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThe aim of this project has been the adaptation and evaluation of a PWM (Pulse Width Modulation) spraying system for the application of plant protection products in 3D crops. This system is already used at field crops with ... -
Assessment of canopy characteristics in vineyard from vigour maps obtained using UAV and satellite imagery
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-03-19)
Article
Accés obertCanopy 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 ... -
Comparative study of CFD models of the air flow produced by an air-assisted sprayer adapted to the crop geometry
(2017-01-01)
Article
Accés restringit per política de l'editorialA computational fluid dynamics (CFD) model for simulating the air flow produced by an air-assisted sprayer can be developed according to any one of several sets of criteria and for various specific applications. Thus far, ... -
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
Accés obertDOSAVIÑA 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 ... -
Eco-innovation and benchmarking of carbon footprint data for vineyards and wineries in Spain and France
(2017-01-20)
Article
Accés obertEnvironmental sustainability in the wine sector has become a priority, as a result of both the growing interest in environmental issues and the consumer's demand for more information regarding the environmental impact of ... -
Flat fan or cone nozzles for Spray Distribution in orchards and vineyard? Effect of nozzle type and row distance on the vertical Distribution.
(2019)
Text en actes de congrés
Accés obertVertical distribution matching the canopy distribution is one of the most important aspects for a good pesticide distribution over the three-dimensional crops -
Multisensor experiments over vineyard: new challenges for the GNSS-R technique
(2015)
Comunicació de congrés
Accés restringit per política de l'editorialAn airborne campaign was performed during August, 2014 in an agricultural area in the Duero basin (Spain) in order to appraise the synergy between very different sources of Earth Observation imagery, and very different ... -
On-Farm evaluation of prescription map-based variable rate application of pesticides in vineyards
(2020-01-01)
Article
Accés obertCanopy 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 ... -
Product vs corporate carbon footprint: Some methodological issues. A case study and review on the wine sector
(2017-01-11)
Article
Accés obertCarbon footprint (CF) is nowadays one of the most widely used environmental indicators. The scope of the CF assessment could be corporate (when all production processes of a company are evaluated, together with upstream ... -
Relación entre las características físico-químicas del suelo y las densidades de población de nematodos fitoparásitos en vid
(Universitat Politècnica de Catalunya, 2007-01-28)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorLos objetivos del trabajo fueron i) comparar la eficiencia de extracción de nematodos del suelo de los métodos: tamizado diferencial-centrifugación flotación, bandejas de Baermann y Flegg modificado; y ii) determinar la ... -
Simulation of pesticide application in vineyards using CFD: study of drift and treatment optimization
(2020)
Text en actes de congrés
Accés obertComputational Fluid Dynamics (CFD) has been used to simulate the application of pesticides on a vineyard by using an air-assisted sprayer. The selected sprayer, inverted u-shaped, consisted of vertical ducts, facing the ... -
Taking advantage of difficulties. Variable rate application based on canopy maps to achieve a sustainable crop protection process
(2020)
Comunicació de congrés
Accés obertThe 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)
Tesi
Accés obertThe 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 ...