早清塘鱼种放养前,要先排干池水,然后对鱼塘进行整修加固,并清除塘内的杂物和水草,挖出过多的底泥,再暴晒数日。最后,每亩用100公斤生石灰,加水溶化后全池泼洒,以杀灭敌害生物、野杂鱼和病原体。早施肥清塘3～4天后,当鱼池水温达到5℃时,就应及时施肥,以培养较多的饵料生物。施肥 Early Qing Tong species before stocking, we must first drain the water, and then renovation of fish ponds to strengthen and remove pond debris and aquatic plants, dredged too much sediment, and then exposed to a few days. Finally, with 100 kilograms per acre of quicklime, dissolved in water Quanchiposa, to kill predators, wild boar and pathogens. Early fertilization Qing Tong 3 to 4 days, when the fish pond water temperature reached 5 ℃, it should be timely fertilization in order to cultivate more food organisms. Fertilization