近几年日本巳大面积使用五氯酚钠防除稻田杂草。1962年我国东北三省组织联合试验,也证明它是稻田有效的除草剂。但在滨海盐碱地区能否使用,还没有确切的资料。为此,我们在天津市郊区盐碱地的稻田里进行了五氯酚钠除草试验。使用的五氯酚钠系沈阳化工厂产品,粉剂,合有效成分75%以 In recent years, Japan has used large amounts of sodium pentachlorophenate to control paddy field weeds. In 1962, three provinces in northeast China organized a joint trial, which also proved that it is an effective herbicide in paddy field. However, in the coastal saline area can use, there is no exact information. To this end, we conducted a trial of sodium pentachlorophenate in paddy fields in saline-alkali areas in the suburb of Tianjin. Sodium pentachlorophenate used in Shenyang Chemical Plant products, powder, combined with the active ingredient 75%