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Pesticide spray drift and risk assessment using unmanned aerial vehicle (UAV) sprayer and traditional electric knapsack sprayer (EKS).

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Názov: Pesticide spray drift and risk assessment using unmanned aerial vehicle (UAV) sprayer and traditional electric knapsack sprayer (EKS).
Autori: Chen X; State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, National Observation and Research Station of Agriculture Green Development (Quzhou, Hebei), China Agricultural University, Beijing, 100193, China., Wang C; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, College of Science, College of Agricultural Unmanned Systems, Centre for Chemicals Application Technology, China Agricultural University, Beijing, 100193, China., Zhao M; State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, National Observation and Research Station of Agriculture Green Development (Quzhou, Hebei), China Agricultural University, Beijing, 100193, China., Zhu Z; Key Laboratory of National Forestry and Grassland Administration on Pest Chemical Control, College of Science, College of Agricultural Unmanned Systems, Centre for Chemicals Application Technology, China Agricultural University, Beijing, 100193, China., Zhu T; State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, National Observation and Research Station of Agriculture Green Development (Quzhou, Hebei), China Agricultural University, Beijing, 100193, China., Gao J; State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, National Observation and Research Station of Agriculture Green Development (Quzhou, Hebei), China Agricultural University, Beijing, 100193, China., Wu J; Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing, 100097, China., Han J; Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China., Zhao F; Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China; State Key Laboratory of Green Pesticides, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Guiyang, 550025, China. Electronic address: zhaofanrong@cau.edu.cn., Wang K; State Key Laboratory of Nutrient Use and Management, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, National Observation and Research Station of Agriculture Green Development (Quzhou, Hebei), China Agricultural University, Beijing, 100193, China. Electronic address: kaiwang_ly@cau.edu.cn.
Zdroj: The Science of the total environment [Sci Total Environ] 2025 Nov 20; Vol. 1005, pp. 180866. Date of Electronic Publication: 2025 Nov 07.
Spôsob vydávania: Journal Article
Jazyk: English
Informácie o časopise: Publisher: Elsevier Country of Publication: Netherlands NLM ID: 0330500 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1879-1026 (Electronic) Linking ISSN: 00489697 NLM ISO Abbreviation: Sci Total Environ Subsets: MEDLINE
Imprint Name(s): Original Publication: Amsterdam, Elsevier.
Výrazy zo slovníka MeSH: Pesticides*/analysis , Environmental Monitoring* , Air Pollutants*/analysis , Unmanned Aerial Devices*, Risk Assessment ; Humans ; Agriculture
Abstrakt: Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
Unmanned aerial vehicle (UAV) sprayers are being increasingly employed for pesticide application, but limited attention has been paid to the environmental impacts of the spray drift caused by UAV pesticide application. In this study, field experiments were conducted to compare the characteristics of spray deposition and drift by UAV and traditional electric knapsack sprayer (EKS) using Rhodamine B tracer. Results demonstrated that greater spray drift distances (0-20 m) and average deposition rates (0.47 %) by UAV were observed compared to 0-4 m and 0.23 % by EKS, with drift severity positively correlated with flight altitude and speed. Analysis of airborne pesticide residues collected at 15 days post-application by passive air samplers with polyurethane foam showed that atmospheric concentrations of pesticides in the UAV-treated zone (59,242.64 pg/m 3 ) were substantially higher than that in the EKS-treated zone (2833.64 pg/m 3 ). Furthermore, we quantified the drift amounts of 10 commonly used pesticides based on the theoretical spray drift rate and performed comprehensive assessments of ecological and human health risks. The results showed that neither spray drift with UAV treatment nor EKS treatment posed skin contact health risks to children or adults. However, UAV application presented more significant ecological and health risks compared to EKS.
(Copyright © 2025 Elsevier B.V. All rights reserved.)
Contributed Indexing: Keywords: Electric knapsack sprayer; Environmental impact; Health risk; Pesticide spray drift; Unmanned aerial vehicle
Substance Nomenclature: 0 (Pesticides)
0 (Air Pollutants)
Entry Date(s): Date Created: 20251108 Date Completed: 20251119 Latest Revision: 20251119
Update Code: 20251121
DOI: 10.1016/j.scitotenv.2025.180866
PMID: 41205276
Databáza: MEDLINE
Popis
Abstrakt:Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.<br />Unmanned aerial vehicle (UAV) sprayers are being increasingly employed for pesticide application, but limited attention has been paid to the environmental impacts of the spray drift caused by UAV pesticide application. In this study, field experiments were conducted to compare the characteristics of spray deposition and drift by UAV and traditional electric knapsack sprayer (EKS) using Rhodamine B tracer. Results demonstrated that greater spray drift distances (0-20 m) and average deposition rates (0.47 %) by UAV were observed compared to 0-4 m and 0.23 % by EKS, with drift severity positively correlated with flight altitude and speed. Analysis of airborne pesticide residues collected at 15 days post-application by passive air samplers with polyurethane foam showed that atmospheric concentrations of pesticides in the UAV-treated zone (59,242.64 pg/m <sup>3</sup> ) were substantially higher than that in the EKS-treated zone (2833.64 pg/m <sup>3</sup> ). Furthermore, we quantified the drift amounts of 10 commonly used pesticides based on the theoretical spray drift rate and performed comprehensive assessments of ecological and human health risks. The results showed that neither spray drift with UAV treatment nor EKS treatment posed skin contact health risks to children or adults. However, UAV application presented more significant ecological and health risks compared to EKS.<br /> (Copyright © 2025 Elsevier B.V. All rights reserved.)
ISSN:1879-1026
DOI:10.1016/j.scitotenv.2025.180866