烟草科技2023，Vol.56Issue(12)：21-27,7.DOI:10.16135/j.issn1002-0861.2022.0913
植保无人机喷雾助剂及喷头类型对烟田雾滴沉积分布的影响
Effects of spray additives and nozzle types of plant protection UAVs on droplet deposition distribution in tobacco fields
摘要
Abstract
In order to evaluate the spraying effects of UAVs(unmanned aerial vehicles)in tobacco fields,the effects of three types of plant oil additives(Beidatong,Maifei and Maidao)and two types of nozzles(hydraulic nozzle SX110015 and centrifugal nozzle IDK120015)on the physicochemical properties of the spray solution and the droplet deposition density and coverage of the drugs were investigated.The results showed that different types of additives reduced the surface tension and contact angle of the solution,decreased the proportion of small droplets and the relative span of the droplet spectrum,increased the droplet deposition density and coverages of droplets in the tobacco canopy,and promoted droplet uniformity.Compared to the solution without the additives,the addition of 1.0％ Beidatong reduced the surface tension and contact angle of the solution on tobacco leaves by 58.8％ and 64.3％,respectively.When using the SX110015 nozzle,the droplet density on the upper,middle and lower leaves of the tobacco canopy increased by 32.0％,42.1％ and 202.8％,and the droplet coverages increased by 97.9％,106.1％ and 141.5％,respectively.The proportion of droplets with a diameter of DV0.5 increased by 13.8％ and the proportion of small droplets decreased by 22.7％ after the addition of Maifei.Compared with SX110015,the IDK120015 nozzle increased the droplet densities in the upper,middle and lower layers of the tobacco canopy by 92.9％,101.6％ and 160.7％,respectively.Therefore,adding Beidatong,Maifei and Maidao to the spray solution can effectively improve the effectiveness of pesticide application in the tobacco canopy.The SX110015 nozzle has high penetration,while the IDK120015 nozzle has fine droplet size and high droplet density and is suitable for spraying protective or systemic agents at wind speed≥0.6 m/s.关键词
烟田/植保无人机/喷雾助剂/喷头类型/雾滴密度/覆盖率Key words
Tobacco field/Plant protection UAV/Spray additive/Nozzle type/Droplet density/Coverage rate分类
农业科技引用本文复制引用
冯超,王国宾,郑成鹏,宗浩,谭菲菲,陈丹..植保无人机喷雾助剂及喷头类型对烟田雾滴沉积分布的影响[J].烟草科技,2023,56(12):21-27,7.基金项目
中国烟草总公司山东省公司科技重大专项和重点项目"基于烟草精准施药的农用无人机配套技术研究与应用"(202112). （202112）
