论文部分内容阅读
针对目前池塘养鱼投入产出比较低的局面,我们于2000年7月-11月在郑州水产苗种繁育中心进行了池塘养殖团头鲂鱼种稀养高效试验,取得了较好的经济效益。1池塘条件试验池塘为郑州水产苗种繁育中心的4号池,面积为6.47亩,水泥护坡,池底较平坦,保水力较强,水位1.5m。水源为地下水,水量充足,水质偏碱性、清新无污染。池塘配备1.5kw叶轮式增氧机1台。2苗种投放
In view of the current situation of relatively low inputs and outputs of pond fish farming, we carried out the experiment of thinning and nourishing pigs in pond aquaculture in July-November 2000 in Zhengzhou Aquatic Seed Breeding and Breeding Center, and achieved good economic benefits . 1 pond conditions test pond Zhengzhou Aquatic Breeding Center No. 4 pool, an area of 6.47 acres, cement slope protection, pool bottom is relatively flat, strong water retention, water level 1.5m. Water for groundwater, adequate water, alkaline water quality, fresh and pollution-free. Pond equipped with 1.5kw impeller aerator 1. 2 seed put