Maize is one of the major grain crops in Lufeng County. The annual planting area is about 120,000 mu. Chemical weed control can promptly eradicate the grass, has quick results, good control effect, labor saving, time saving, labor intensity reduction, and promotes the smooth growth of corn. High-yield conditions have been created. According to recent experimental demonstrations, the following suggestions have been made. 1. Pre-emergence soil treatment after planting: Select 38% Atrazine Suspension 200 ml/mu, 72% Dole EC 100 ml/Mu, 60% Butachlor Emulsion 200 ml/Mu, 50% Acetochlor EC 100 -150 ml/mu, 40% acetylcholine powder 300-400 g/mu, 50% Duohe mixture 200 ml/mu watered 50-60 kg for prevention and treatment. 2. Post-emergence treatment: 25% Baocheng dry suspension agent 6-8 g/mu watered 50-60 kg for prevention and treatment. 3. Precautions: When corn is closed and weeding before sprouting on the surface, the amount of spray must be mastered while strictly controlling the amount of application. When the soil moisture is good, the amount of liquid sprayed per mu can not be less than 40 kg. The application time must be after 4pm. Do not apply before and after noon, and pay attention to the wind direction when applying pesticides. Do not let the liquid float into the sensitive crop field to avoid phytotoxicity. Treat after emergence, apply at the 3-5 leaf stage. . Radiography System,Single Flat Panel,Ceiling Suspension System,X Ray Sensitive Plates MinFound Medical Systems Co., Ltd , https://www.minfoundmed.com