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清塘后鱼塘怎么消毒

更新时间: 2021-05-19 09:33:06     

1、生石灰清塘。每667米2用生石灰50 ~ 75 千克,带水(水深1米)清塘用生石灰125 ~ 150千克。带 水清塘可在池边及池角挖几个小坑,将生石灰放入坑中让其吸水化开,不待冷却即向池中 泼洒。生石灰的毒性消失时间为7 ~ 10天。

2、漂白粉清塘每667 米2水深1米用漂白粉13。5千克,如把池水排至5 ~ 10厘米 深,每667米2用漂白粉5 ~ 10千克。漂白粉用前应测定有 效氯含量,根据有效氯含量推算实际用量。将漂白粉加水溶解后,立即遍池泼洒。漂白粉的毒性消失时间为3~5天。

关键词: 鱼塘 怎么 消毒

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