Results 21 to 30 of about 7,990 (254)

Spray losses study of two pesticides by UASS in integrated rice–crayfish farming system and acute toxicity evaluation on Procambarus clarkii

Frontiers in Plant Science, 2023
IntroductionWhile the integrated rice-crayfish (Procambarus clarkii) farming system (IRCFS) is widely developing in China, the widespread use of Unmanned Aerial Spraying Systems (UASS) to protect rice from pests has led to potential pesticide risk for ...
Yang Liu, Yang Liu, Guangyu Wang, Yuanyuan Li, Zhenhua Zhang, Zhenhua Zhang, Sen Pang, Xiongkui He, Xiongkui He, Jianli Song, Jianli Song   +10 more
doaj   +1 more source

Effect of working pressure at different spray nozzles on drift quantification in wind tunnel [PDF]

Engenharia Agrícola, 2014
Each year, there is an increase in pesticide consumption and in its importance of use in the large-scale agricultural production, being fundamental the knowledge of application technology to the activity success. The objective of the present study was to
Marco A. Gandolfo, Fernando K. Carvalho, Rodolfo G. Chechetto, Ulisses D. Gandolfo, Eder D. de Moraes   +4 more
doaj   +1 more source

Performance of a Prototype Boom Sprayer for Bed-Grown Carrots Based on Canopy Deposition Optimization, Ground Losses and Spray Drift Potential Mitigation in Semi-Field Conditions

Applied Sciences, 2022
The H2020-project OPTIMA concept of smart sprayer relies on several functionalities, including variable nozzle spacing for bed-grown carrots, based on an air-assisted boom sprayer.
Aude Lamare, Ingrid Zwertvaegher, David Nuyttens, Paolo Balsari, Paolo Marucco, Marco Grella, Amedeo Caffini, Nikos Mylonas, Spyros Fountas, Jean-Paul Douzals   +9 more
doaj   +1 more source

Performance of Drift-Reducing Nozzles in Controlling Small Weed Seedlings with Contact Herbicides

Agronomy, 2023
In many EU countries, spray applications should comply with increasingly stringent requirements regarding the drift reduction class of spray nozzles. Many farmers fear that the use of drift-reducing nozzles producing coarse droplet spectra may compromise
Benny De Cauwer, Ilke De Meuter, Sander De Ryck, Donald Dekeyser, Ingrid Zwertvaegher, David Nuyttens   +5 more
doaj   +1 more source

Noticing pesticide spray drift from agricultural pesticide application areas and breast cancer: a case‐control study

Australian and New Zealand Journal of Public Health, 2013
Objectives: To examine the relationship between self‐reported noticing of pesticide spray drift from agricultural areas and breast cancer. Methods: A case‐control study of breast cancer was conducted in Western Australia from 2009 to 2011.
Sonia El‐Zaemey, Jane Heyworth, Lin Fritschi   +2 more
doaj   +1 more source

Carrier Volume and Nozzle Effect on 2,4-D and Glufosinate Performances in Hazelnut Sucker Control

HortScience, 2020
Hazelnut (Corylus avellana L.) basal sprouts, or suckers, are removed to train trees as a single trunk, facilitating mechanization. Suckers are routinely controlled with herbicides, often by using nozzles that generate fine droplets and spray volumes as ...
Larissa Larocca de Souza, Marcelo L. Moretti   +1 more
doaj   +1 more source

Regression analysis to evaluate herbicide drift and injury in Roundup Ready cotton in wind tunnel

Revista Ciência Agronômica, 2021
The aim was: (i) to propose a regression model for the association between injury in Roundup Ready (RR) cotton plants and drift of auxins, isolated or associated with glyphosate; (ii) to evaluate the effect of adding glyphosate to dicamba and 2,4-D ...
Guilherme Mendes Pio de Oliveira, Marco Antonio Gandolfo, Giliardi Dalazen, Jethro Barros Osipe, Stella Mendes Pio de Oliveira, Marcelo Augusto de Aguiar e Silva   +5 more
doaj   +1 more source

INFLUENCE OF GLYPHOSATE CONCENTRATIONS ON SPRAY SOLUTION PHYSICOCHEMICAL CHARACTERISTICS AND DRIFT POTENTIAL [PDF]

Engenharia Agrícola, 2020
The herbicide glyphosate is sprayed with varying application volumes that result in different concentrations used in the spray solutions. Thus, this study aimed to evaluate the effect of glyphosate concentrations on the potential risk of droplet drift ...
Dieimisson P. Almeida, Marcelo da C. Ferreira, Renata T. da S. Santos, Fabiano Griesang, Eduardo de S. dos Santos, Paulo C. Timossi   +5 more
doaj   +1 more source

Quantifying Airborne Spray Drift Using String Collectors

Agronomy, 2023
Efficient collection of airborne spray is crucial to reduce environmental contamination and ensure effective pesticide application in agriculture.
Se-yeon Lee, Jinseon Park, Lak-yeong Choi, Kehinde Favour Daniel, Se-woon Hong, Hyun Ho Noh, Seung-Hwa Yu   +6 more
doaj   +1 more source

Comparison between Drift Test Bench and Other Techniques in Spray Drift Evaluation of an Eight-Rotor Unmanned Aerial Spraying System: The Influence of Meteorological Parameters and Nozzle Types

Agronomy, 2023
In the past decade, an unmanned aerial spraying system (UASS) was applied more and more widely for low-volume aerial pesticides spraying operations in China.
Changling Wang, Supakorn Wongsuk, Zhan Huang, Congwei Yu, Leng Han, Jun Zhang, Wenkang Sun, Aijun Zeng, Xiongkui He   +8 more
doaj   +1 more source