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经1994～1995年在北京地区试验证实，72％普乐宝乳油是适用于大豆田播后苗前进行土壤处理的优良、安全除草剂。在1．0～2．0kg／hm2的剂量下，普乐宝对大豆安全，对马唐、狗尾草、稗草、蟋蟀草、反枝苋等一年生单、双子叶杂草均有较好的防除效果，且大豆增产效果显著。对田旋花等杂草基本无效。
After 1994-1995 in the Beijing area test confirmed that 72% Maple Po EC is suitable for sowing after sowing seedlings before soil treatment of fine, safe herbicide. At the dose of 1.0-2.0kg / hm2, Maple Po has good control effects on soybean safety, annual cotyledons and dicotyledonous weeds such as Crabgrass, Setaria viridis, barnyardgrass, cricket grass and Amaranthus retroflexus Effect, and soybean yield significantly. Convolvulus and other weeds basically null and void.