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Challenges and opportunities of unmanned aerial vehicles as a new tool for crop pest control.

Ruirui Zhang,A. Hewitt,Chen Liping,Longlong Li,Qing Tang

Published 2023 in Pest Management Science

ABSTRACT

The application of pesticides is not simply delivering chemicals to the target area. It also involves considering the negative aspects and developing strategies to deal with them during the application process, to ensure the maximization of pesticides use efficiency and the maintenance of the ecosystem. Unmanned aerial vehicle (UAV) sprayers demonstrate unique advantages compared to traditional ground sprayers, particularly in terms of maneuverability and labor intensity reduction, showed great potential for chemical application in pest control. It is undeniable that there exist challenges in the practice of UAV spraying, such as higher potential risks of pesticide drift or pathogen transmission, uncertainty canopy deposition for different crops, and unexpected leaf breakage induced by downwash flow. Maximizing the utilization of downwash flow while avoiding lateral air movement outside the intended target crop area is a major issue for chemical application with UAV sprayers, particularly in light of the increasingly apparent consensus on the need for enhanced environmental protection during the chemical application process. It must be considered that the operation strategy in different scenarios and for different crop targets is not the same, unique requirements should be given on nozzle atomization, flight parameters, adjuvants and aircraft types in specific working situation. In future, the implementation of spray drift prediction, technical procedures development, and other solutions aimed at reducing pesticide drift and improving deposition quality, is expected to to promote the adoption of UAV sprayers by more farmers. This article is protected by copyright. All rights reserved.

PUBLICATION RECORD

  • Publication year

    2023

  • Venue

    Pest Management Science

  • Publication date

    2023-07-26

  • Fields of study

    Agricultural and Food Sciences, Medicine, Environmental Science

  • Identifiers
    DOI 10.1002/ps.7683PMID 37494136
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar, PubMed

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