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博兴县从2001年开始,在沿黄河几个淡水条件较好的乡镇开展了池塘培育大规格草鱼种高产技术推广工作,经过2年多的努力,通过开展技术培训、技术承包等形式,圆满完成了计划指标。经山东省科技厅组织专家鉴定,推广面积335 hm~2(5020亩),每667 m~2产量632kg,平均尾重79g,投入产出比为1：1．78。关键技术
Beginning in 2001, Boxing County started to popularize the cultivation of large-sized grass carp species in ponds along the Yellow River in several towns with better freshwater conditions. After more than two years of hard work, it has successfully completed the technical training and technical contracting and other forms. Completed the plan indicator. The scientific and technological department of Shandong Province has been identified by experts. The area of promotion is 335 hm ~ 2 (5020 mu), and the output per 667 m ~ 2 is 632 kg with an average tail weight of 79 g. The input-output ratio is 1: 1.78. Key technologies