Characteristics of Spray Applications with Drones in Brazil: Spraying System and Swath Width

Q2 Agricultural and Biological Sciences

Outlooks on Pest Management Pub Date : 2023-06-01 DOI:10.1564/v34_jun_02

Fernando K. Carvalho, U. R. Antuniassi, Rodolfo G. Chechetto, A. A. Mota, Vicente M. Cornago Junior

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Abstract

The objective of this study was to evaluate operational parameters and swath width characteristics of drone's spray applications in Brazil, considering aspects such as height and uniformity of deposition. There were evaluated 32 configurations of applications of 7 agricultural spraying drones. The technical basis for data collection was the use of a semiautomated electronic system, which analyzes the deposition of droplets on a polyester string and informs the ideal swath width for each configuration of drone applications, considering the deposition's coefficient of variation (CV). The system, denominated IFD ® (Swath Width Inspection), is based on ASAE S386.2 2018 standard. Likewise, it was collected information about flight high and drone configurations. IFD ® was a practical method to evaluate swath width and uniformity of drone applications. The results allowed an average increase on swath width of 27% compared to the swath previously used by the remote pilots. The swatch width obtained by using coarse (C) and very coarse (VC) droplet spectrum categories was 4.3 m, for median (M) 5.1 m, and fine (F) and very fine (VF) 5.2 m. The higher coefficient of variation (CV) was obtained for coarse and very coarse spray qualities, 16,7%, followed by median 16%, and fine and very fines, 14.4%.

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无人机在巴西喷雾应用的特点:喷洒系统和带状宽度

本研究的目的是评估无人机在巴西喷洒应用的操作参数和条带宽度特性，考虑沉积的高度和均匀性等方面。对7架农业喷洒无人机的32种应用配置进行了评估。数据收集的技术基础是使用半自动电子系统，该系统分析液滴在聚酯绳上的沉积，并考虑沉积的变异系数（CV），为无人机应用的每种配置提供理想的线束宽度。该系统名为IFD®（Swath Width Inspection），基于ASAE S386.2 2018标准。同样，它也收集了有关高空飞行和无人机配置的信息。IFD®是一种评估无人机应用的线束宽度和均匀性的实用方法。与远程飞行员之前使用的线束相比，结果允许线束宽度平均增加27%。通过使用粗糙（C）和非常粗糙（VC）液滴光谱类别获得的样品宽度为4.3 m，中值（m）为5.1 m，精细（F）和非常精细（VF）为5.2 m。粗糙和非常粗糙的喷雾质量获得了更高的变异系数（CV），为16.7%，其次是中值16%，精细和非常精细，为14.4%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Outlooks on Pest Management Agricultural and Biological Sciences-Insect Science

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期刊介绍： Research and development in the crop protection and crop enhancement sector continues to grow at pace. Those associated with the agriculture and food industries, researchers in academia, government organisations, legislators, and professionals involved with the development and environmental impact of pesticides and biotechnology can all benefit from Outlooks on Pest Management. This bi-monthly journal provides a unique blend of international news and reviews covering all aspects of the management of weeds, pests and diseases through chemistry, biology and biotechnology.