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25%广克威(威·甲乳油)是山东农业大学研制的一种高效复合杀虫剂。已申报国家专利,专利申请号90106603,并于1994年3月通过了由省化工厅主持的技术鉴定。专家们一致认为,该产品填补了国内空白,达到了国内先进水平。1992~1993年该药剂已在山东、山西、河南、河北、陕西五省进行了示范推广,取得了成功,很受棉农欢迎,是目前防治棉蚜、棉
25% Kwong Wei (Viagra) is Shandong Agricultural University developed a highly effective compound insecticide. Has declared the national patent, patent application number 90106603, and in March 1994 adopted by the Provincial Department of Chemical Technology presided over the technical appraisal. Experts agreed that the product to fill the gaps in the country reached the advanced level. From 1992 to 1993, the agent has been demonstrated and popularized in five provinces of Shandong, Shanxi, Henan, Hebei and Shaanxi. It has achieved success and is very popular with cotton farmers. It is currently used in the control of cotton aphids, cotton