近年来，鱼塘蓝绿藻大量繁殖对鱼造成危害的事例越来越多，轻者影响塘鱼生长，重者造成大量死鱼。常规防治方法是用０．７Ｘ１０－６硫酸铜全塘泼洒，虽能全部杀死蓝绿藻，但很不安全。我们经多年试验，探索出一种新方法，既能杀灭蓝绿藻，又能提高鱼产量１５％。介绍如下： 选 In recent years, fishponds blue-green algae blooming in large numbers of cases of harm to fish more and more, the light affect the growth of pond fish, causing a lot of dead fish in severe cases. Conventional control method is to use 0.7X10-6 copper sulfate whole pond spill, although can kill blue-green algae, but it is not safe. After years of testing, we have explored a new approach that will kill both blue-green algae and fish by 15%. Introduced as follows: election