一、彻底清塘消毒，一次施足底肥 鱼种下塘前，要疏通注排水渠道，清除池底过多的淤泥。水深 20厘米时，每亩 (1亩 =1／ 15公顷，下同）鱼池用 100公斤生石灰带水消毒、杀灭虫害、病菌和微生物，再施腐熟的人畜粪 500公斤作底肥。然后蓄水深 2～ 2.5米，待一周后药性消失再放鱼 A thorough disinfection of ponds, once applied at the end of Fatty species before the pond, to clear the note drainage channels, clear the bottom too much mud. When the water depth is 20 cm, 100 kg of lime shall be taken in water per mu (1 mu = 1/15 hectare, the same below) to sterilize and kill pests, germs and microorganisms, and 500 kg of decomposed human and animal manure will be applied as base fertilizer. Then the water depth of 2 to 2.5 meters, until a week after the disappearance of fish and then disappear