为消灭草害,日本制药公司与农业科研机构近年来加紧了对除草剂的开发研究,自去年以来,便相继有多种新型除草剂获得药品登记,现选择3种最为引人注目的产品予以介绍. In order to eliminate grass damage, Japanese pharmaceutical companies and agricultural research institutes stepped up their research and development on herbicides in recent years. Since last year, many kinds of new herbicides have been registered for drug registration. The three most attractive products are now selected Introduction.