采用66.5%二甲四氯.4%唑草酮可湿性粉剂、10%苄嘧磺隆可湿性粉剂防治水稻田阔叶杂草及莎草(鸭舌草、雨久花等阔叶杂草;异型莎草等莎草科杂草),防效试验结果表明,2种药剂除草效果非常好,株防效均在98%以上、鲜重防效均在95%以上,最经济有效的配方为66.5%二甲四氯.4%唑草酮可湿性粉剂300 g/hm2+10%苄嘧磺隆可湿性粉剂300 g/hm2,值得进一步推广使用。 Using 66.5% MCPA, 4% ecofilone WP and 10% bensulfuron WP to control broad-leaved weeds and sedge in broad-leaved paddy field (broadleaf weeds such as monocotyledon, Shaped weeds and other Cyperaceae weeds), control effect test results show that the two kinds of agents weeding very good effect, strain control efficiency above 98%, fresh weight control effect is above 95%, the most cost-effective formula 66.5% dimethyl tetrachloro 4% Ecofriex WP 300 g / hm2 + 10% Bensulfuron-methyl wettable powder 300 g / hm2, worth further promotion.