目前 ,全球作物保护助剂市场价值约为 10亿美元 /a。随着开发和登记新有效成分的费用增加 ,助剂已被看作改进药效、提高价值的有效方法。2 0 0 1年全球助剂销售额为 9 4 0亿美元 ,其中北美占 4 8%、欧洲 18%、中南美 17%。美国所用助剂中 ,2 4 %是非离子表面活性剂 ,2 3%是作物 At present, the global market value of crop protection additives is about 1 billion US dollars / a. With the cost of developing and registering new active ingredients, additives have been seen as an effective way to improve efficacy and increase value. Global auxiliaries sales in 2001 were 940 billion U.S. dollars, of which 48% in North America, 18% in Europe and 17% in Central and South America. Of the auxiliaries used in the United States, 24% are non-ionic surfactants and 23% are crops