苏州市境内湖泊众多、河道纵横、水面资源丰富,1989年湖泊、河道等外荡养殖面积约74万亩,约占全市养殖总面积的73％,占外荡可养面积的83％。1980年以前,外荡养鱼的方式是粗放粗养,产量很低,平均亩产15公斤上下。1980年我们把池塘养鱼技术移植到外荡养鱼上,在吴江县八坼镇的一只 There are many lakes in Suzhou, with vertical and horizontal channels and abundant water resources. In 1989, lakes and rivers covered about 740,000 mu of aquaculture area, accounting for 73% of the total area of ​​aquaculture in the city and accounting for 83% of the total area raised and raised. Before 1980, the way out of the fish is extensive crude, low output, the average yield of 15 kg up and down. In 1980 we transplanted the pond fish culture to the external fish, in Wujiang County, a town of eight