山塘在过去都是作为农业蓄水灌田用,平均亩产鱼不到50kg,经济效益比较低。北通镇有10亩以上的山塘11个,为了改变这种传统的生产方式,从2003年开始,北通镇逐步推广山塘鱼禽综合科学立体养殖,经过近几年的推广、实施,鱼产量明显提高,均产达280kg/亩,效益显著。 In the past, ponds were used as agricultural water storage and irrigation fields, with an average yield of less than 50 kg per mu and relatively low economic benefits. Beitong town has more than 10 acres of ponds 11, in order to change this traditional mode of production, from 2003 onwards, Beitong town gradually promote Shantou fish and poultry integrated scientific three-dimensional culture, after several years of promotion, implementation, Fish production increased significantly, both up to 280kg / mu, significant benefit.