50%乙草胺乳油属酰胺类旱田选择性芽前除草剂。其杀草机理是抑制和破坏杂草种子细胞蛋白酶,当被杂草吸收后,就可抑制幼芽、幼根的生长,刺激根产生瘤状畸形,致使杂草死亡。旱田作物吸收后则能很快代谢分解,对作物非常安全。该药由沈阳化工研究院研制,河北宣化农药厂生产。1989年我所在花生田进行试验,结果表明,乙草胺能有效的防除马唐、铁苋、马齿苋、狗尾草、稗草、苋菜等主要杂草,每亩用药80毫升,除草效 50% acetochlor, oleic amide, selective pre-emergence herbicide. The mechanism of its killing grass is to inhibit and destroy the weed seed cell protease, when weeds are absorbed, you can inhibit the growth of young shoots and young roots, stimulate the root produce tumorous deformities, resulting in death of weeds. After absorption of dryland crops can be quickly metabolized decomposition of the crop is very safe. The drug developed by the Shenyang Chemical Research Institute, Hebei Xuanhua Pesticide Factory production. In 1989, where I Peanut Field trial, the results show that acetochlor can effectively control Crabgrass, Amaranthus, Portulaca oleracea, Setaria, barnyard grass, amaranth and other major weeds, medication 80 ml per mu, herbicidal effect