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三种玉米田除草剂混配制剂田间小区试验结果表明，用４０％津乙伴侣可湿性粉剂（阿特拉津、乙草胺混剂）、３０％乙草净乳油（乙草胺、扑草净混剂）、２６％草无奈可湿性粉剂（乙草胺、噻磺隆混剂）进行播后苗前土壤处理，对玉米田杂草有良好的防除效果。适宜的用药量分别为，４０％津乙伴侣可湿性粉剂３７５ｋｇ／ｈｍ２，３０％乙草净乳油４５～６０Ｌ／ｈｍ２，２６％草无奈可湿性粉剂４５～６０ｋｇ／ｈｍ２，对阔叶杂草和禾本科杂草防效均在９０％以上，在上述推荐剂量内对玉米安全。
The three kinds of corn field herbicide mixed formulations field plot test results show that with 40% of the companion B WP (atrazine, acetochlor mixture), 30% acetochlor EC (acetochlor, prometryn Net mixed agent), 26% grass helpless wettable powder (acetochlor, thifensulfuron mixed agent) before sowing seedling soil treatment, cornfield weeds have a good control effect. The appropriate dosage was 40% Tianjin B companion WP 375kg / hm2, 30% acetochlor EC 4 ~ 6 ~ 0L / hm2, 26% grass helpless wettable powder 4 5 ~ 6 0kg / hm2, control of broadleaf weeds and grass weeds are more than 90%, within the above recommended dose of corn safety.