对黄泛平原夏作大豆田杂草进行了调查 ,共有 16科 35种 ,主要有马齿苋、铁齿苋、马唐、牛筋草、香附子 5种 ,为豆田杂草优势种群。小区试验明确了播后苗前 6 6 7m2 用 5 0 %乙草胺乳油 12 0ml加 5 0 %速收可湿性粉剂 6g处理土壤 ,或大豆 1～ 3片复叶、杂草 2～ 4片叶期 6 6 7m2 用 2 4%克阔乐乳油 15ml加 6 9%威霸浓乳剂 40ml茎叶处理 ,1次施药即可达到控制大豆整个生育期草害的目的 A total of 16 families and 35 species were surveyed in summer cropping soybean field in the Yellow River Plain. There were 5 species of purslane, purslane, crabgrass, goosegrass and monkshood in 16 families. Community test clear after sowing seedlings before 6 6 7m2 with 50% acetochlor EC 12 0ml plus 50% fast-on wettable powder 6g soil treatment, or soybean 1 to 3 compound leaves, weeds 2 to 4 leaves Period 6 6 7m2 with 24% Kelaole EC 15ml plus 6 9% Wei Pa emulsion 40ml stems and leaves, one application to achieve the purpose of controlling the grass during the whole growth period of soybean