Trunk injection of plant protection products to protect trees from pests and diseases

C Berger, F Laurent - Crop Protection, 2019‏ - Elsevier
An alternative to the conventional delivery methods of pesticides is needed to limit risks for
consumers, users and the environment. Managing pests and diseases in orchards, forests …

Real-time variable rate spraying in orchards and vineyards: A review

SV Wandkar, YC Bhatt, HK Jain, SM Nalawade… - Journal of The Institution …, 2018‏ - Springer
Effective and efficient use of pesticides in the orchards is of concern since many years. With
the conventional constant rate sprayers, equal dose of pesticide is applied to each tree …

Advanced spraying systems to improve pesticide saving and reduce spray drift for apple orchards

L Xun, J Campos, B Salas, FX Fabregas, H Zhu… - Precision Agriculture, 2023‏ - Springer
New spraying systems embedded with different technologies have been developed for
pesticide application in 3D crops. However, while applied to specific tree crops, the potential …

Spray deposition profiles in pome fruit trees: Effects of sprayer design, training system and tree canopy characteristics

AT Duga, K Ruysen, D Dekeyser, D Nuyttens… - Crop Protection, 2015‏ - Elsevier
Air assisted orchard sprayers are characterized by a strong airflow that carries the pesticide
droplets to the target canopy and assist in moving the plant parts to allow deposition …

Spray performance assessment of a remote-controlled vehicle prototype for pesticide application in greenhouse tomato crops

VJ Rincón, M Grella, P Marucco, LE Alcatrão… - Science of the Total …, 2020‏ - Elsevier
Intensive horticultural production is a sector seeking to provide high-quality foods by means
of safe and sustainable procedures in compliance with regulations. This requires …

The profitability of precision spraying on specialty crops: a technical–economic analysis of protection equipment at increasing technological levels

E Tona, A Calcante, R Oberti - Precision Agriculture, 2018‏ - Springer
A technical–economic analysis was conducted on three different technological levels of
spraying equipment for specialty crops, based on the results on precision spraying …

Assessment of orchard sprayers using laboratory experiments and computational fluid dynamics modelling

D Dekeyser, AT Duga, P Verboven, AM Endalew… - Biosystems …, 2013‏ - Elsevier
Because of its complexity, orchard spray application is difficult to understand based solely
on experimental work. For this reason an integrated research approach combining …

Design and experiment of variable rate orchard sprayer based on laser scanning sensor

L Li, X He, J Song, Y Liu, A Zeng, Y Liu, C Liu… - International Journal of …, 2018‏ - ijabe.org
During different growth periods, canopy size and density in orchards are variable, which
need application conditions (flow rate and air flow) to be adjusted to match the canopy's …

Comprehensive assessment of intelligent unmanned vehicle techniques in pesticide application: A case study in pear orchard

Y Jiang, X He, J Song, Y Liu, C Wang, T Li… - Frontiers in Plant …, 2022‏ - frontiersin.org
The intelligent pesticide application techniques in orchards have grown rapidly worldwide
due to the decrease in agricultural populations and the increase in labor costs. However …

Evaluation of the effects of airflow distribution patterns on deposit coverage and spray penetration in multi-unit air-assisted sprayer

T Li, P Qi, Z Wang, S Xu, Z Huang, L Han, X He - Agronomy, 2022‏ - mdpi.com
Efficient utilization is a pre-requisite for pesticide reduction, and appropriate airflow
distribution pattern plays a key role in enhancing the effectiveness of pesticide application …