论文部分内容阅读
超低容量喷雾剂(Ultra Low Volume,缩写为ULV)是供超低容量喷雾施用的一种专用剂型。ULV是一种特制的油剂。在地面或用飞机将ULV喷洒成70~120μm的细小雾滴,均匀分布在植物茎叶的表面上,从而有效地发挥防治病、虫、草害的作用。其特点是用药量少、药效好、工效高、防治费用低、不用水或用极少水。
Ultra Low Volume (ULV) is a proprietary formulation for ultra-low volume spray applications. ULV is a special oil. On the ground or by plane ULV sprayed into a small droplets of 70 ~ 120μm, evenly distributed on the surface of plant stems and leaves, which effectively play a role in disease prevention, pests and weeds. It is characterized by less dosage, good efficacy, high efficiency, low cost control, no water or use little water.