1988年在胜丰乡板桥湖渔场、城关镇水产场和护城乡五星村渔场进行了稀土在渔业生产上的应用推广试验,取得了较好的效果,现将试验情况小结如下: 一、试验条件与方法 1、池塘条件:试验面积206.5亩,56口池。其中鱼种池79.1亩,39口池;成鱼池127.4亩,17口池。对照池面积102.4亩,32口池;其中鱼种池31.5亩、19口池;成鱼池70.9亩,13口池。均系1978年至1984年建成的商品鱼池,水系畅通,水深1.5—2.0米。 2、鱼种放养:(1) 鱼种试验池于6月上旬投放夏花鱼种396130尾,亩平5008尾,其中草鱼155310尾,亩平1963 1988 in Shengfeng Township Banqiao Lake Fisheries, Chengguan Town Fisheries and Conservation Township Wuxing Village fishing ground for the application of rare earth in the fisheries production and promotion tests, and achieved good results, the test is summarized as follows: First, the test Conditions and methods 1, pond conditions: test area of ​​206.5 acres, 56 ponds. Of which 79.1 acres of fish ponds, 39 ponds; into a fish pond 127.4 acres, 17 ponds. Control area of ​​102.4 acres, 32 mouth pool; of which 31.5 acres of fish ponds, 19 pools; into a fish pond 70.9 acres, 13 pools. All of them were commercial fish ponds constructed from 1978 to 1984 with smooth water system and water depth of 1.5-2.0 meters. 2, species stocking: (1) fish species test pond in early June put 396130 summer flowers, 5008 acres of flat, of which 155310 grass carp, mu 1963