基于气动喷雾输送的固定喷雾系统配置优化,用于在现代葡萄园中高效的农业化学应用
Dattatray G Bhalekar1, Ramesh K Sahni1, M Jacob Schrader1
1Center for Precision and Automated Agricultural Systems, Department of Biological Systems Engineering, Washington State University, Prosser, WA, USA.
Pest management science
|April 2, 2024
概括
一个新的基于气动喷雾输送 (PSD) 的固体设置树冠输送系统 (SSCDS) 配置 (C3) 显著改善了垂直射击位置 (VSP) 葡萄园的喷雾沉积和覆盖. 与以前的液压系统相比,这种具有成本效益的系统提供了更高的农业化学应用效率.
科学领域:
- 农业工程 农业工程
- 园艺科学 园艺科学
- 虫害管理 虫害管理 虫害管理
背景情况:
- 现有的基于液压喷雾输送 (HSD) 的垂直发射位置 (VSP) 葡萄园的固态树冠输送系统 (SSCDS) 使用昂贵的发射器并阻碍机械修剪.
- 基于气动喷雾输送 (PSD) 的SSCDS变体被开发出来,以克服这些局限性.
研究的目的:
- 优化基于PSD的SSCDS变种的新型喷雾性能,用于VSP葡萄园中的农业化学应用.
- 通过使用改造的低成本发射器来评估三个不同的PSD-SSCDS发射器配置 (C1-C3).
主要方法:
- 测试了三种配置:C1 (在柱子上修改的平面风扇发射器),C2 (每棵葡萄树90°模块化平面风扇发射器) 和C3 (C1和C2放置的组合).
- 喷雾沉积量和覆盖率使用葡萄园树冠内的mylar卡和水敏感纸进行量化.
主要成果:
- 配置C3实现了最高的喷雾沉积 (837.6±92.53 ng cm−2) 和覆盖率 (28.84±2.46%).
- 配置C1显示中度沉积 (301.12±63.30 ng cm−2) 和覆盖率 (18.02±2.63%).
- 配置C2呈现出最低的沉积量 (347.9±66.29 ng cm−2) 和覆盖率 (8.98±1.84%) 的情况.
结论:
- 配置C3在喷雾沉积和覆盖面上显著优于C1和C2.
- 基于PSD的SSCDS变种,特别是C3,提供了更低的安装成本和每公发射器密度.
- 与之前的HSD-SSCDS配置相比,这种优化的系统为VSP葡萄园中的农化应用提供了更好的喷雾性能.
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