Aerosol spray a confidential according to the object selected spraying droplet diameter and density,and the liquid out o......

Bt液剂和粉剂分别以 4∶1和 10∶1与杀虫双和巴丹混配 ,对小菜蛾的共毒系数为 4 97和 181,田间也表现明显的增效作用 ;菌剂喷雾液......