一、塘口条件池塘的面积以5～8亩为宜,一般不超过10亩;池深1.5～2米,池塘平整、淤泥少;进排水方便、水源充足,水质优良,符合渔业用水标准,周边3公里范围内无污染企业;近三年内未种植过河藕,水源上游无藕塘;塘口通电,配有增氧机、投饵机等机械设备。二、清塘消毒鱼种下塘前半个 First, pond area pond area of ​​5 to 8 acres is appropriate, generally not more than 10 acres; pool depth of 1.5 to 2 meters, pond formation, less sludge; easy access to drainage, adequate water, good water quality, in line with the fishery water standards, No pollution within 3 km around the enterprise; not planted in the past three years River lotus, water upstream lotus root ponds; Tongkou electricity, with aerator, bait machine and other machinery and equipment. Second, Qing Tong disinfection of fish pond half before