清塘消毒 12 月初 ,用 抽水 机 将塘 水抽 干 ,选 晴天中午温度较高时,每 667 m 用生石灰 100 kg 或漂白 2粉 25 kg 对水化浆泼洒全塘,以杀菌防病和调节水质。 放足基肥 清塘后立即施 肥,一 般每 667 m 施有 2机肥料 800￣1 000 kg。保证鱼下塘后 Qingtang disinfection At the beginning of December, with a water pump to drain the pond water, choose a sunny day noon temperature is high, every 667 m with lime 100 kg or bleach 2 25 kg spray the whole pool of slurry to prevent and regulate water quality . Fertilizers should be applied immediately after they have been put enough to fill the ponds. Generally, 2 kilos of fertilizer are applied per 667 m of 800-1000 kg. After the fish pond under the guarantee