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Study on Spray Deposition Effect of a New High-Clearance Air-Assisted Electrostatic Sprayer

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Listed:
  • Mingxiong Ou

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Jiangsu Provincial Key Laboratory of Hi-Tech Research for Intelligent Agricultural Equipment, Jiangsu University, Zhenjiang 212013, China)

  • Shiqun Dai

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Jiangsu Provincial Key Laboratory of Hi-Tech Research for Intelligent Agricultural Equipment, Jiangsu University, Zhenjiang 212013, China)

  • Xinbao Jing

    (China Foma (Group) Co., Ltd., Taizhou 225300, China)

  • Weidong Jia

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Jiangsu Provincial Key Laboratory of Hi-Tech Research for Intelligent Agricultural Equipment, Jiangsu University, Zhenjiang 212013, China)

  • Xiang Dong

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China
    Jiangsu Provincial Key Laboratory of Hi-Tech Research for Intelligent Agricultural Equipment, Jiangsu University, Zhenjiang 212013, China)

  • Yunfei Wang

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

  • Minmin Wu

    (School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China)

Abstract

This study evaluates the performance of a novel high-clearance air-assisted electrostatic sprayer designed for vineyards and investigates the impact of applied voltage on droplet deposition. This sprayer, which uses a new type of air-assisted electrostatic spray nozzle, could spray three rows of grapes at the same time, significantly improving work efficiency. Field test results show that the middle row of the high-clearance air-assisted electrostatic sprayer deposition effect was better than the left and right rows, and the minimum droplet deposition density inside the grape canopy was 26.4 deposits/cm 2 . The droplet deposition effects of electrostatic spraying were effectively improved, and the average droplet deposition density of the canopy increased by 15.72%. Electrostatic spraying improves the deposition on the outer canopy but reduces deposition on the inner canopy, so electrostatic spraying reduces the penetration of droplets into the canopy. The sprayer’s design proves effective for large-scale operations, offering insights into electrostatic spray technology’s role in precision agriculture.

Suggested Citation

  • Mingxiong Ou & Shiqun Dai & Xinbao Jing & Weidong Jia & Xiang Dong & Yunfei Wang & Minmin Wu, 2025. "Study on Spray Deposition Effect of a New High-Clearance Air-Assisted Electrostatic Sprayer," Agriculture, MDPI, vol. 15(13), pages 1-14, June.
    • Handle: RePEc:gam:jagris:v:15:y:2025:i:13:p:1331-:d:1683988
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    References listed on IDEAS

    as
    1. Shiqun Dai & Jiayao Zhang & Weidong Jia & Mingxiong Ou & Huitao Zhou & Xiang Dong & Hong Chen & Ming Wang & Yu Chen & Shuai Yang, 2022. "Experimental Study on the Droplet Size and Charge-to-Mass Ratio of an Air-Assisted Electrostatic Nozzle," Agriculture, MDPI, vol. 12(6), pages 1-15, June.
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