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Agronomy
Special Issues
Research on Field Spray Drift and Pesticide Application Technology
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Research on Field Spray Drift and Pesticide Application Technology

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Agricultural Biosystem and Biological Engineering".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 4930

Special Issue Editor

Dr. Yuxing Han

E-Mail Website
Guest Editor
1. College of Artificial Intelligence, South China Agricultural University, Guangzhou 510642, China
2. Tsinghua-Berkeley Shenzhen Institute, Tsinghua University, Shenzhen 518000, China
Interests: computer vision; deep learning; brain-inspired computing; edge computing; remote sensing; agricultural engineering; smart agriculture; precision agriculture; agricultural aviation; artificial intelligence
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Since the advent of agricultural spraying, spray drift has presented a complex challenge. Drift droplets and environmental exposure can damage sensitive crops, affect natural enemies of pests, reduce pollinator populations, cause environmental contamination, and threaten human and animal health. Therefore, to reduce the impact of spray drift on the environment, pesticide application technology should be improved through concurrently enhancing the insecticidal efficiency of pesticides and reducing their use. Pesticide application technology includes many aspects, such as the nozzles, physical properties of pesticide solvents, and spray methods. Furthermore, pesticide application has mainly been performed in two ways: ground and aerial. This Special Issue will present new approaches to improving the efficiency of insecticide while reducing spray drift.

This Special Issue aims to foster the exchange of knowledge on any aspect related to field spray drift and pesticide application technology to improve insecticidal efficiency and reduce pesticides’ impact on the environment, as well as increase crop production.

Dr. Yuxing Han
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • agricultural engineering
  • smart agriculture
  • precision agriculture
  • agricultural aviation
  • artificial intelligence

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Published Papers (2 papers)

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Research

16 pages, 4060 KiB  
Article
Airborne-Spray-Drift Collection Efficiency of Nylon Screens: Measurement and CFD Analysis
by Jinseon Park, Se-yeon Lee, Lak-yeong Choi, Se-woon Hong, Hyunho Noh and Seung-Hwa Yu
Agronomy 2022, 12(11), 2865; https://doi.org/10.3390/agronomy12112865 - 16 Nov 2022
Cited by 7 | Viewed by 1907
Abstract
Pesticide application is essential for improving crop productivity; however, undesirable pesticide drift must be mitigated because of its adverse impacts on humans, the environment and ecosystems. The collection and accurate quantification of airborne droplets are key elements involved in identifying the spatial and [...] Read more.
Pesticide application is essential for improving crop productivity; however, undesirable pesticide drift must be mitigated because of its adverse impacts on humans, the environment and ecosystems. The collection and accurate quantification of airborne droplets are key elements involved in identifying the spatial and temporal dispersion of off-target spray movement. Various types of passive and active collectors have been deployed to measure airborne spray drift; however, the collection efficiencies of only a few samplers have been verified. This study evaluated the collection efficiency of two airborne-spray-drift collectors using an experimental drift wind tunnel. The airborne spray drifts were quantified by a total organic carbon analyser and validated by comparison to measurements using liquid chromatography with tandem mass spectrometry. Computational fluid dynamics (CFD) simulations were used to explore the effects of droplet size and wind speed on the collection performance. It was found that nylon screens, passive samplers, captured 57.9–88.1% of the airborne spray drift. These results are considered reliable and are comparable to those found in the literature. Additionally, the CFD results demonstrated that the collection efficiency increased with droplet diameter. An increase in wind speed improved the collection efficiency of fine droplets (≤100 μm diameter); however, wind speed had no significant influence on the collection of coarse droplets. These measurements, alongside the aerodynamic approach adopted in this study, can provide a comprehensive understanding of the collection performance of nylon screens. Full article
(This article belongs to the Special Issue Research on Field Spray Drift and Pesticide Application Technology)
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16 pages, 2170 KiB  
Article
Assessment of Spray Drift with Various Adjuvants in a Wind Tunnel
by Medet İtmeç, Ali Bayat, Ali Bolat, Muhammed Cemal Toraman and Alper Soysal
Agronomy 2022, 12(10), 2377; https://doi.org/10.3390/agronomy12102377 - 1 Oct 2022
Cited by 12 | Viewed by 2241
Abstract
When pesticides are sprayed, a significant portion of the droplets drifts away from the target. Using an adjuvant in spray liquid is an easy option for reducing droplet drift because there is no need to make any changes to the sprayer. The objective [...] Read more.
When pesticides are sprayed, a significant portion of the droplets drifts away from the target. Using an adjuvant in spray liquid is an easy option for reducing droplet drift because there is no need to make any changes to the sprayer. The objective of the study was to determine the effects of seven commercially available adjuvants (Surfeco plus, Starguar, Kantor, Sterling, Control, Control WM, and Control DUO) with varying active ingredients on droplet size, surface tension, and viscosity. Since these properties affect droplet formation, these adjuvants were evaluated in terms of their drift-reducing performance in a wind tunnel at various wind speeds (2.0, 3.5, and 5.0 m/s) and spray pressures (3, 4, and 5 bars). The ground and airborne components of drift were evaluated. With the use of a patternator, the potential for the ground drift of adjuvants was measured; for airborne drift, polyethylene lines that were stretched along the cross-section area of the wind tunnel at various heights were employed. The number of deposits of a tracer dye–adjuvant mixture that was sprayed on the polyethylene lines was measured via fluorometric methods for determining the airborne drift potential. The test results showed that the adjuvant Control Duo containing a polymer blend, which had the highest dynamic viscosity (4.27 mPa.s), increased the Dv0.5 droplet diameter up to 192 μm at 3 bar with nozzle XR11002. This adjuvant reduced the ground drift potential (Dc) by 60.53% compared to tap water. The maximum airborne drift potential reduction percentage (DPRP) was obtained as 85.76% with Surfeco plus containing organic silicone at a pressure of 3 bar and a wind velocity of 5 m/s. When considering the airborne drift-reduction potential of the adjuvants used, it was found that the adjuvants Control WM, Control, Starguar, and Surfeco plus significantly reduced the airborne droplet drift compared to spraying tap water. Full article
(This article belongs to the Special Issue Research on Field Spray Drift and Pesticide Application Technology)
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