[HTML][HTML] UAV-spray application in vineyards: Flight modes and spray system adjustment effects on canopy deposit, coverage, and off-target losses

A Biglia, M Grella, N Bloise, L Comba… - Science of the total …, 2022 - Elsevier
Improvements in the spray application of plant protection products enhance agricultural
sustainability by reducing environmental contamination, but by increasing food quality and …

[HTML][HTML] Field assessment of a pulse width modulation (PWM) spray system applying different spray volumes: duty cycle and forward speed effects on vines spray …

M Grella, F Gioelli, P Marucco, I Zwertvaegher… - Precision …, 2022 - Springer
The pulse width modulation (PWM) spray system is the most advanced technology to obtain
variable rate spray application without varying the operative sprayer parameters (eg spray …

[HTML][HTML] The effect of fan setting, air-conveyor orientation and nozzle configuration on airblast sprayer efficiency: Insights relevant to trellised vineyards

M Grella, P Marucco, I Zwertvaegher, F Gioelli… - Crop Protection, 2022 - Elsevier
A step-by-step laboratory procedure was used to identify the optimal configuration of a tower-
shaped trailed sprayer intended for application in vertical shoot trellised vineyards. Different …

[HTML][HTML] Use of ultrasound anemometers to study the influence of air currents generated by a sprayer with an electronic control airflow system on foliar coverage. Effect …

B Salas, R Salcedo, P Ortega, M Grella, E Gil - Computers and Electronics …, 2022 - Elsevier
Air assistance and droplet's characteristics influence on the pesticide deposit and its
distribution over the intended target during the spray application process. The present …

Blade pitch and air-outlet width effects on the airflow generated by an airblast sprayer with wireless remote-controlled axial fan

R Salcedo, A Fonte, M Grella, C Garcerá… - … and Electronics in …, 2021 - Elsevier
The airblast sprayers are equipped with a fan generating an air stream that helps the
sprayed droplets to reach out and penetrate the tree canopy. Recently an automatic air …

[HTML][HTML] Hydraulic-based fixed spray delivery system: Homogeneity distribution among emitters and internal cleaning performances evaluation

E Mozzanini, M Grella, P Marucco, GA Hoheisel… - Crop Protection, 2024 - Elsevier
Fixed spray systems, an alternative to conventional pesticide application equipment, are
under investigation in perennial fruit crops for improving spray applications. A prototype of a …

Assessment of microbial biocontrol agent (BCA) viability to mechanical and thermal stress by simulating spray application conditions

M Grella, F Gioelli, P Marucco… - Pest Management …, 2023 - Wiley Online Library
Background In order to improve the biological control agent (BCA) efficacy, stress factors
threatening the viability of microorganisms during spray application need to be determined …

[HTML][HTML] Development of drift-reducing spouts for vineyard pneumatic sprayers: Measurement of droplet size spectra generated and their classification

M Grella, A Miranda-Fuentes, P Marucco, P Balsari… - Applied Sciences, 2020 - mdpi.com
Featured Application The newly designed pneumatic spout generates droplet-sized spectra
in a wide range of options, from very fine to very coarse, thus providing farmers with a real …

Analyzing Spray Coverage and Deposition Using Spraying Drones in Vineyards

H UYAR - thesis.unipd.it
In modern agriculture, the precise and efficient application of agrochemicals is vital for crop
protection and productivity while minimizing environmental impact. Traditional spraying …