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田间试验表明40 %乙·氰悬乳剂对玉米田杂草具有良好的防治效果 ,最佳用量175～200mL/mu,药后45d防效在90 %以上 ,鲜重防效达93 %以上。
Field experiments showed that 40% B cyanogen emulsion had good control effect on weeds in corn field. The optimum dosage was 175 ~ 200mL / mu. The control effect was over 90% after 45 days and the fresh weight control efficiency was over 93%.