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Agronomy
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Development and Prospect of UAV Spraying in Fruit Orchards for...
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Development and Prospect of UAV Spraying in Fruit Orchards for Crop Protection

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 (20 April 2023) | Viewed by 2280

Special Issue Editor

Dr. Jianli Song

E-Mail Website
Guest Editor
College of Science, China Agricultural University, Beijing 100193, China
Interests: crop protection; drift in application; UAV; canopy deposition; air-assisted spray

Special Issue Information

Dear Colleagues,

Unmanned aerial vehicles (UAVs) have developed rapidly in the last few years and have become the main equipment in plant protection, particularly of wheat, rice, corn, cotton and other crops. In orchard plant protection, the demand for high-efficiency plant protection equipment is very strong, especially in the traditional orchards and orchards in mountainous areas, which are not suitable for ground equipment. Therefore, the application of UAV in fruit orchard crop protection has become a hotspot in recent years. However, there is a significant difference between the canopy of fruit trees and field crops, which affects the behavior of airflow and droplets during application. Therefore, many aspects need to be explored, including the factors affecting droplet deposition in the canopy, the drift during UAV application in orchards, etc.

In this Special Issue, we aim to exchange knowledge on any aspect of UAV spraying in fruit orchards for crop protection, thus promoting the application of UAVs in orchards.

Dr. Jianli Song
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

  • UAV
  • orchard
  • crop protection
  • droplet
  • deposition
  • airflow
  • drift

Published Papers (1 paper)

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Research

18 pages, 3923 KiB  
Article
Impact of Operational Parameters on Droplet Distribution Using an Unmanned Aerial Vehicle in a Papaya Orchard
by Luis Felipe Oliveira Ribeiro, Edney Leandro da Vitória, Gilson Geraldo Soprani Júnior, Pengchao Chen and Yubin Lan
Agronomy 2023, 13(4), 1138; https://doi.org/10.3390/agronomy13041138 - 17 Apr 2023
Cited by 6 | Viewed by 1980
Abstract
Papaya production and export is increasingly expanding in the world market due to the nutritional importance of the fruit. Phytosanitary issues, labor shortages, and unevenness in land-based costal and motorized applications compromise crops, the environment, and humankind. The purpose of this study was [...] Read more.
Papaya production and export is increasingly expanding in the world market due to the nutritional importance of the fruit. Phytosanitary issues, labor shortages, and unevenness in land-based costal and motorized applications compromise crops, the environment, and humankind. The purpose of this study was to evaluate the efficiency of droplet distribution using an unmanned aerial vehicle, with different application rates (12.0, 15.0, and 18.0 L ha−1) and spray nozzles (XR110015 and MGA015) in the upper (UL), middle (ML), and lower (LL) layers, and on papaya fruit clusters (BF). Water-sensitive paper labels and artificial targets were used to assess the efficiency. Coverage, density, droplet distribution, and droplet diameter were influenced by the application rates in the following order: 18.0 > 15.0 > 12.0 L ha−1, showing concentrated droplet distribution in the respective layers: UL > ML > LL > BF. The 18.0 L ha−1 rate increased the variables examined, and the droplet coverage on the UL using the XR110015 nozzle was 6.56 times greater than that found on the LL and BF. The MGA015 nozzle presented better results in the LL and BF in all variables analyzed. The UAVs were efficient in applying to the papaya crop and further studies should be carried out in order to confirm the efficacy of plant protection products applied using this technology. Full article
(This article belongs to the Special Issue Development and Prospect of UAV Spraying in Fruit Orchards for Crop Protection)
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