植保无人机喷液量和药量对小麦生长中后期主要病虫害的影响
Modernizing Agriculture(2022)
Abstract
试验了使用植保无人机防治小麦中后期病虫害,结果表明,植保无人机喷雾对小麦白粉病防效好于卫士WS-18D背负式电动喷雾器施药处理,即使药量减少20%,防效仍然比后者高8.30~17.94个百分点.喷液量增加1倍(30L/hm2)来回双向喷施,药液分布自然更加均匀充分,但防效只是略有提高,增加了1.44个百分点;药量减少20%,防效也只略为降低,减少了0.94个百分点,达不到显著水平.
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