1980年以来我国生产的除草剂有20多种,主要是2,4—D、2,4,5—T、2,4—D丁酯、除草醚、敌稗、杀草丹、扑草净、莠去津、茅草枯、草甘膦、拉索、氯乐灵、敌草隆、五氯酚钠等。作者及他人的试验和经验结果表明:在防除阔叶型杂草如蒿、火绒草、蕨类、毛茛科杂草等效果较好的除草剂有2,4—D丁酯、草甘膦、2,4—D钠盐、铵盐,毒莠锭、2,4,5—涕丙酸其中效果最好是2,4—D丁酯,次为草甘 Since 1980, more than 20 kinds of herbicides have been produced in our country, mainly 2,4-D, 2,4,5-T, 2,4-D butyl esters, weeding ethers, propanil, , Atrazine, thatch, glyphosate, cable, clonidine, diuron, sodium pentachlorophenate and the like. The experimental and empirical results of the author and others show that the best herbicides for controlling broadleaf weeds such as Artemisia, velvetleaf, fern and Ranunculaceae are 2,4-D butyl, glyphosate, 2,4-D sodium salt, ammonium salt, poisonous bean, 2,4,5-propanoic acid, of which 2,4-D butyl ester is the best, glycyrrhizin