How to weed when planting soybeans in summer?

How to weed when planting soybeans in summer? Please introduce that after sowing summer soybeans, the soil and climatic conditions are conducive to the germination and growth of weeds, if not eliminated in time, it is very easy to form grass famine. According to the occurrence characteristics of weeds and the characteristics of herbicides in summer soybean field, the weeds should be controlled as early as possible. Mixed soil treatment: after soil preparation, 48% trifluralin EC 100-150 ml or 33% trifluralin EC 200-150 ml per mu, add 30 kg of water to spray topsoil, and then mixed into 3-5 cm topsoil layer, the control effect of annual Gramineae weeds is better. Soil treatment: before sowing, spray with 50% Acetochlor EC 100-150 ml or 48% Lasol EC 200-250 ml per mu, adding 30-40 kg of water. In order to expand the herbicide spectrum, you can use 50% Acetochlor EC 100-150 ml per mu plus 48% trimethoprim EC 50 ml, or use 50% Acetochlor EC 100 ml plus 48% GuangmiLing EC 35-45 ml plus 10% chlorosulfuron 4 grams, add water for 40-50 kg spray. Stem and leaf treatment: for fields with many weeds of Gramineae, in soybean 2-4 leaf stage and weed 2-5 leaf stage, 15% Jing Zhaoshi EC 40-70 ml or 12.5% Gai Cao Neng EC 40-60 ml, 10% grass g EC 60-100 ml, 5% fine grass g EC 40-70 ml (any one) spray. Fields with broad-leaved weeds were sprayed with 25% Huwei water agent 40-50 ml per mu in soybean 1-3 leaf stage and weed 3-4 leaf stage. When the two kinds of weeds are serious, Huwei and Jingjing can be mixed with Jing Cao Neng, fine grass grass gram and grass grass gram, and two kinds of weeds can be eliminated. Pesticide application should be carried out at noon on a windless sunny day, and the amount of water added per mu should not be less than 40 kg. Click to get more soybean planting technology click to get more grain and oil crop planting technology