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为提高池塘利用率,进一步提高渔业生产的效益,莱芜市水产研究所开展了“一年三季高产高效养殖”试验,该试验利用池塘闲置期主养草鱼,然后培育罗非鱼夏花、大规格罗非鱼种,取得了可观的经济效益,现将试验情况总结如下。1.池塘条件试验池面积1.85亩,池深3米,淤泥厚20厘米,水源为
In order to improve the utilization rate of ponds and further improve the efficiency of fishery production, Laiwu Aquatic Research Institute has carried out the experiment of “high-yield and high-efficiency farming in three quarters of the year”. The experiment mainly used grass carp in idle period of ponds and then cultivated summer flower of tilapia, Tilapia species, has made considerable economic benefits, the test is summarized as follows. 1. pond conditions test pond area of 1.85 acres, pool depth 3 meters, sludge thickness 20 cm, water source