How to apply herbicides to Maize seedlings

How to apply herbicides to corn seedlings? Please give guidance to corn post-seedling chemical weeding to strictly select herbicides, prepare and apply according to the instructions, serious weeds, the dosage can be increased by 15-20% in the instructions. Methods: the treatment of stems and leaves must be carried out before 6 leaves of corn and 2 leaves of weeds, otherwise the efficacy will be reduced, drug damage will occur and the normal growth of corn will be affected. (1) Corn 3-5 leaf stage: 50% Acetochlor EC 80-100 ml / mu, or 33% herbicide EC 100-150 ml mu, 40ml 50 kg of water, spraying the surface between rows. (2) Corn 4-6 leaf stage: 40% atrazine gel suspension 150-200 ml / mu, or 72% 2,4-butyl ester 60-80 ml / mu, 80% Caojingjin wettable powder 100-200 g / mu, 20% make it EC 70-90 ml / mu, 75% broad-leaf powder (broad-leaf net is not safe) dry suspension 1-2 g / mu, directional spray on water 40-50 kg. Atrazine 300 g / mu, directional spray on water 40-50 kg. (3) when grass famine occurs in the later period of corn growth: 10% glyphosate water agent 400-500 ml / mu, 20 g Wuchuan water agent 100-150 ml mu, 30-40 kg water, directional spray on weed stems and leaves. Note: a protective cover should be added to the sprinkler to avoid drug damage to corn heart leaves. At the same time, pay attention to personal protection, drug safety. Click to get more corn planting techniques click to get more herbicide application techniques click to get more pesticide application techniques