Results 11 to 20 of about 80,504 (176)
AgronomyA newly commercialized single-row multi-fan autonomous unmanned ground vehicle (UGV) sprayer, for use in trellised tree fruit crops, was tested to better understand air and spray patterns prior to wide-scale adoption in the modern apple orchard systems ...
Dattatray G. Bhalekar +4 more
doaj +2 more sources
Multibody Dynamics Simulation and Vibration Test for High Clearance Orchard Sprayer
Applied Sciences, 2022 High clearance sprayer is a high-efficiency pesticide application machine in orchard management. In this paper, operational safety of high clearance sprayers is validated by using finite element simulation and vibration testing. The 3D model of the frame
Hong Chen +8 more
doaj +2 more sources
Orchard Variable-Rate Sprayer Using LiDAR-Based Canopy Volume Measurement
AgronomyThis study developed and evaluated a LiDAR-based variable-rate orchard sprayer to address the inefficiency of traditional constant-rate application. The system dynamically adjusts pesticide output in real-time using a canopy volume calculation model and ...
Chao Zhang +3 more
doaj +2 more sources
Modification of Pesticide Sprayer to Suit the Orchard Trees [PDF]
Journal of Soil Sciences and Agricultural Engineering, 2021 This study aims to develop a commonly used sprayer in the Egyptian farms (gun sprayer, Alcon Motori) adapted for orchard fields. The main aspect of the modified sprayer was the ability to move nozzles at vertical reciprocating motion NVRM which improves ...
S. Marey +3 more
doaj +1 more source
Canopy Segmentation Method for Determining the Spray Deposition Rate in Orchards
Agronomy, 2022 The effective quantification of deposition rate is of vital importance in optimizing the application performance and the utilization of pesticides; meanwhile, the canopies of fruit tree orchards are large, with dense branches and leaves shading each ...
Shilin Wang +5 more
doaj +1 more source
智慧农业, 2022 In order to solve the problems of pesticides abuse, nonuniformity deposition and low operating efficiency, build up the smart mango orchard, sedimentary properties of liquids in mango canopy of two orchard pesticide machinery, i.e., orchard caterpillar ...
LI Yangfan +4 more
doaj +1 more source
Computational model of pesticide deposition distribution on canopies for air-assisted spraying
Frontiers in Plant Science, 2023 The deposited pesticide distribution in fruit tree canopies is crucial for evaluating the efficacy of air-assisted spraying in orchards. Most studies have determined the impact of pesticide application on pesticide deposition on canopies without a ...
Hanjie Dou +7 more
doaj +1 more source
Orchard air-blast sprayer calibration, adjustment and operation [PDF]
, 1990 Most growers can cut materials and labor costs, and improve the effectiveness of their spray programs. This bulletin lists steps for improving orchard spray programs, including speed of travel, adjusting gallons per acre, setting the sprayer nozzle ...
Smith, Timothy
core +5 more sources
The influence of the sprayer control on the increase in the productivity of the machine-tractor aggregate in the protection of orchards [PDF]
Agroznanje, 2019 For the chemical protection of orchards, a research on the surface area of 150 ha was carried out, and a method of spraying was applied. In this method, machines known as orchard sprayer are used, in which, in the presence of the produced air current ...
Maličević Zoran +3 more
doaj +1 more source
Agriculture, 2023 Citrus orchards in Southeast Asia are commonly grown in hilly areas, where the terrain is unsuitable for the operation of crop protection machinery. Conventional spraying equipment used in hilly orchards have a poor deposition effect.
Xiuyun Xue +7 more
doaj +1 more source