超低剂量喷药;超低容量喷药
Methods Observing the reduce rate and RPI of density with the method of full coverage spray and ultra-low volume spray.
方法常量喷雾和超低容量喷雾,观察蚊、蝇、蟑螂的密度下降率以及密度相关指数。
The result also proves that ultra-low volume aerial spray with 1.8% AV bacteriophage is a high effective, stable, rapid and long-lasting biotic pesticide.
1.8%阿维菌素是一种高效、快速、稳定、持效期长的生物农药。
英语网 · 日常口语
英语网 · 双语娱乐资讯
英语网 · 双语新闻