近几年,我镇试验、示范推广了棚栽青椒、蕃茄、紫茄、西瓜、黄瓜、丝瓜等瓜果类蔬菜应用都尔土壤封闭处理,面积逐年扩大,到2000年止已达8000多亩,占全镇大中棚面积的80%,取得了较好的经济效益。都尔之所以深受广大菜农的欢迎,是因为它有其独到之处:一是高度的安全性和广泛的适应性。除了麦类、高粱等作物敏感外,对茄果、瓜类等多种单、双子叶作物高度安全,且氟乐灵、乙草胺均有药害或隐型药害,全氟乐灵易光解,喷药后要及时混土,不简便,花工大。二是杀草谱广,除草效果好。每亩用量100ml对多种禾本科杂草的防效达97%以上,对大部分一年生阔叶类杂草的防效也达到 In recent years, I test the town, demonstration and promotion of shed planted green peppers, tomatoes, purple eggplant, watermelon, cucumber, sponge gourd and other fruits and vegetables applied to Seoul soil closed treatment, the area expanded year by year 2000, has reached 8,000 mu , Accounting for 80% of the town large and medium shed area, and achieved good economic returns. The reason why Dole is popular among the vegetable growers is that it has its unique features: First, it is highly safe and widely adaptable. In addition to sensitive crops such as wheat and sorghum, it is highly safe for many single and dicotyledonous crops such as eggplant and melon, and both trifluralin and acetochlor have phytotoxicity or invisible phytotoxicity. Photolysis, spraying timely mixing, not easy, big flower workers. Second, to kill grass broad spectrum, weeding effect is good. 100ml per acre on a variety of grass weeds control effect of more than 97%, most of the annual broadleaf weed control effect has also been achieved