Results 1 to 10 of about 27,332 (249)

Design and Development of a Side Spray Device for UAVs to Improve Spray Coverage in Obstacle Neighborhoods

Agronomy
Electric multirotor plant protection unmanned aerial vehicles (UAVs) are widely used in China for efficient and precise plant protection at low altitude for low volumes.
Baijing Qiu, Xiaoya Dong
exaly   +4 more sources

Neural modeling and optimization of the coverage of the sprayed surface [PDF]

Bulletin of the Polish Academy of Sciences: Technical Sciences, 2020
Improving application efficiency is crucial for both the economic and environmental aspects of plant protection. Mathematical models can help in understanding the relationships between spray application parameters and efficiency, and reducing the ...
B. Cieniawska, K. Pentoś, D. Łuczycka
doaj   +3 more sources

Effect of Nozzle Type and Adjuvants on Spray Coverage on Apple Leaves

Agronomy, 2021
Three non-ionic adjuvants, Agral, Silwet, and Greemax, at three concentrations, were applied on apple leaves with the use of hollow cone nozzles (TR) and air-induction nozzles (ID) to verify the assumption that adjuvants may improve spray coverage ...
Ryszard Hołownicki, Pawel J Konopacki, Grzegorz Doruchowski   +2 more
exaly   +3 more sources

Reported community-level indoor residual spray coverage from two-stage cluster surveys in sub-Saharan Africa. [PDF]

Malar J, 2017
Background Malaria is an important cause of morbidity and mortality in malaria-endemic areas. Indoor residual spray is an effective intervention to control malaria, but high community-level coverage is needed to maximize its impact.
Larsen DA, Borrill L, Patel R, Fregosi L.   +3 more
europepmc   +2 more sources

Soybean Foliar Deposition and Airflow Distribution Interrelated to Nozzle Type and Boom Travel Direction in Wind Tunnel. [PDF]

Plants (Basel)
Spray deposition and coverage within soybean canopies remain critical challenges for achieving effective pesticide applications, particularly under windy conditions.
Cunha JPARD, Oliveira RB, Lemes GS, Ozkan E, Jeon H, Zhu H.   +5 more
europepmc   +2 more sources

Analysis of the Factors Affecting the Deposition Coverage of Air-Assisted Electrostatic Spray on Tomato Leaves

Agronomy
In order to investigate the effects of various factors (charging voltage, spray distance and spray pattern) on the deposition coverage of tomato leaves, the Box–Behnken surface response methodology was used to design an outdoor air-assisted electrostatic
Baijing Qiu, Xiaoya Dong
exaly   +3 more sources

Optimization of specific spray volume for spray application in pomegranate orchard using response surface methodology. [PDF]

Sci Rep
Conventional air-blast sprayer applies chemical at a constant rate without any consideration to canopy characteristics, which results in excessive application of chemicals.
Thorat DS, Mehta CR, Agrawal KN, Jyoti B, Kumar M, Chandel NS.   +5 more
europepmc   +2 more sources

Spray coverage and deposits from a remotely piloted aerial application system using various nozzle types

Frontiers in Agronomy
Remotely piloted aerial application systems (RPAAS) are exponentially increasing globally for pesticide applications. Evaluations of spray coverage, deposits, and droplet size, when implementing various application parameters, are needed to optimize ...
Thomas R Butts, Bradley Fritz
exaly   +3 more sources

Development and Experiment of an Online Measuring System for Spray Deposition

Agriculture, 2022
To realize the online evaluation of spray quality, an online measuring system for spray coverage and deposition quality is developed. The measuring theory of spray coverage and deposition quality on an LWS (leaf wetness sensor) surface is analyzed.
Shiqun Dai, Ming Wang, Mingxiong Ou, Huitao Zhou, Weidong Jia, Ronghua Gao, Chenyang Wang, Guanqun Wang, Ziyu Li, Hong Chen   +9 more
doaj   +1 more source

Variable-rate Spray Technology Optimizes Pesticide Application by Adjusting for Seasonal Shifts in Deciduous Perennial Crops

HortTechnology, 2021
To optimize pesticide applications to the canopies of deciduous perennial crops, spray volume should be adjusted throughout the year to match the changes in canopy volume and density.
Lloyd L. Nackley, Brent Warneke, Lauren Fessler, Jay W. Pscheidt, David Lockwood, Wesley C. Wright, Xiaocun Sun, Amy Fulcher   +7 more
doaj   +1 more source