克无踪能防除多种杂草,对一、二年生杂草防除效果最佳,但具有深根或地下茎的多年生杂草,只能杀灭地上绿色部分,不能杀地下根、茎。可防除马唐、千金子、狗尾草、稗、看麦娘、马齿苋等杂草。克无踪能广泛用于果园、农作田的杂草防除。一、施药适期克无踪是苗后茎叶灭生性除草剂,而杂草在幼苗期对克 No trace can prevent a variety of weeds, on the biennial weeds control the best, but with deep roots or underground perennial weeds, only to kill the green part of the ground, can not kill underground roots, stems. Can be controlled Cangdang, Qianjinzi, Setaria, barnyardgrass, to see Ophiopogon, purslane and other weeds. No trace can be widely used in orchards, cropland weed control. First, the application of appropriate grams of traceless seedling stem and leaf extinction of herbicides, and weeds in seedling stage grams