期刊
COMPUTERS AND ELECTRONICS IN AGRICULTURE
卷 160, 期 -, 页码 117-130出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compag.2019.03.018
关键词
Dose expression; Vineyard; Volume rate; Leaf Wall Area; DOSAVINA
资金
- Ajuts a les activitats de demostracio (operacio 01.02.01 de Tronsferencia Tecnologica del Programa de desenvolupament rural de Catalunya 2014-2020)
- FI-DGR grant from Generalitat de Catalunya [2018 FI_B1 00083]
- LIFE PERFECT project: Pesticide Reduction using Friendly and Environmentally Controlled Technologies [LIFE17 ENV/ES/000205]
DOSAVINA 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. DOSAVINA also calculates and recommends the optimal working parameters for working pressure, forward speed, and number and types of nozzles. DOSAVINA was developed by the Unit of Agricultural Machinery at the Universitat Politecnica de Catalunya, and is available for iOS and Android devices. It is also available on the DOSAVINA website (https://dosavina.upc.edu). The developed tool can be used also for the calibration of spray applications on fruit trees (as well as on citrus orchards, olive trees, almond trees, and many other vertical crops) once the volume rate has been established. The system, which is based on a modified version of the leaf wall area (LWA) method, calculates the optimal volume rate for vineyards by considering the effects of leaf density, canopy width, and sprayer type. System testing took biological efficacy into consideration and measured the main factors used for characterizing spray processes, coverage, and distribution over the entire canopy. Results showed that water and pesticide use could be reduced by more than 20% while still meeting economic, environmental, and food quality requirements. The design of the tool is aligned with European requirements concerning pesticide use, as established in the European Directive for a Sustainable Use of Pesticides.
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