稻田用五氯酚钠灭螺,过去多采用插秧前上水施药,药浸三天以上的方法。芦草滩地区推广机口投药药浸法(即在机器提水时,边灌水边投药)后,应用电灌或机灌的有螺稻田,多改用这一方法。我县稻田多在丘陵山区,双季稻栽插时间短,用水紧。在有螺稻田较多的地区,选用以上两种灭螺方法,都与生产有较大的矛盾,不易安排。在实践中,我们创用了五氯酚钠拌土药浸法,不仅灭螺效果良好,而且方法简便 Rice with pentachlorophenol sodium molluscum, the past, the use of transplanting Sheung Shui pesticide, drug dipping more than three days. The area of ​​Lucaotu area is popularized at the entrance of the hospital for medicine dip treatment (that is, while the machine is draining water and the side irrigation is dosing) My county more rice fields in hilly areas, double cropping rice planting time is short, water tight. In areas with more spire of rice, use the above two kinds of snail-killing methods, have a greater conflict with the production, not easy to arrange. In practice, we have created a sodium pentachlorophenate soil immersion method, not only the snail effect is good, and the method is simple