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1、池塘“五改”。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,可新建高产鱼塘。2、清塘消毒。宜在晴天进行,①干法(留水10厘米),每667m~2用生石灰80—100公斤。或用含有30%的漂内粉4—5公斤。②带水(留水1米),每667m~2用生石灰150公斤,或用含氯30%的漂白粉12—13公斤。将生石灰或漂白粉加水溶化,均匀泼洒。清塘7天后,方可放鱼。
1, the pond “five changes.” That is, small to large, shallow to deep. Dead (water) to change (water), drain (water) to change the insurance (water); Conditional, new high-yield fish ponds can be built. 2, clear pond disinfection. Should be carried out in the sunny day, ① dry method (leaving water 10 cm), every 667m ~ 2 lime 80-100 kg. Or with a 30% floating powder 4-5 kg. ② with water (water retention of 1 m), every 667m ~ 2 with quicklime 150 kg, or 30% chlorine bleach 12-13 kg. Add lime or bleach to water to dissolve it evenly. Clear pond 7 days, before you can put fish.