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郑州市水产技术推广站于2004年初承担了“无公害罗非鱼养殖技术”项目,实施面积50亩,商品鱼总产量47．7吨,获经济效益48．07万元,实施效果达到立项标准要求。一、产地环境和池塘条件该项目选点在郑州中牟国营渔场无公害生产基地实施,基地场内和周边无工业“三废”,鱼池总面积500亩,生产规模集中连片。养殖水源以地下水为主,引黄为辅,水质良好,无污染,符合GB11607- 1989渔业水质标准和无公害食品、淡水养殖用水水质。
Zhengzhou City Fisheries Technology Promotion Station in early 2004 bear the “pollution-free tilapia farming technology” project, the implementation of an area of 50 acres, the total output of 47.7 tons of fish products, economic benefits of 480,700 yuan, the implementation of the project to achieve the project standards Claim. First, the origin of the environment and pond conditions The project selected in Zhengzhou Zhongmu state fishing ground pollution-free production base implementation, the base field and the surrounding no industrial “three wastes,” the total area of 500 acres of fish ponds, production scale concentrated contiguous. Aquaculture mainly groundwater, yellow secondary, good water quality, non-polluting, in line with GB11607- 1989 fishery water quality standards and pollution-free food, fresh water aquaculture water quality.