Herbicide injury prevention: the use of technology master herbicide operating points. To be flat. Spraying precision farming plots to ensure that the ground level, fluroxypyr, no big clods, no potholes. Drug on the carrier to mix evenly, Luoyang fluroxypyr, spray or spread toxic soil should be uniform. Look growth of the seedlings, grass conditions, weather, soil. Herbicide technique: Herbicide with insecticides, fungicides compared to the use of technology demanding. Insecticides, fungicides and sometimes inappropriate, Zhejiang fluroxypyr, may only affect the control effect. The improper use of herbicides, and plant growth is related to safety. To ensure the safe and efficient use of herbicides, strict control of crop sensitivity to herbicides.