1、池塘改造即小改大,浅改深,死(水)改活(水),漏(水)改保(水),抢(险)改防(洪),有条件的新建高产鱼塘更好,以保证有良好的养鱼设施。2、清塘消毒一般在晴天进行。清塘方法有两种: 一是干法清塘(留水深10厘米),即每亩用生石灰80-100公斤,或用含有效氯30%的漂白粉4-5公斤;二是 1, the pond reconstruction that is small to large, shallow to deep, dead (water) to change (water), drain (water) Better to ensure good fish farming facilities. 2, Qing Tong disinfection generally carried out in sunny days. There are two methods of clearing the pond: one is to dry the pond (leaving a depth of 10 cm), that is 80-100 kg of quick lime per acre, or 4-5 kg ​​of bleaching powder containing 30% of available chlorine;