By using the C-D production function equation of growth rate , this paper calculated Weinan agricultural science and technology progress and it ’ s rate of contribution rate based on the period of 2005-2012 .The results show that the material input , especially the progress of science and technology has become an important factor in Weinan ’ s agricultural economic growth .The sci-ence and technology progress contribution in agricultural growth of Weinan has exceeded the national average , further more , it also reached the limit of 60%which is considered as mode boundary corresponding to modern agriculture , but as to the modern agricul-ture standard of 80%, there is still a gap .Based on the empirical research , the paper makes further analysis about the result .%文章运用C-D生产函数增长速度方程，通过对2005-2012年渭南市农业科技进步率和农业科技进步贡献率进行测算。结果表明，物质投入特别是科技进步已成为渭南农业经济增长的重要因素。渭南农业增长的科技贡献份额已经超过全国均值，达到农业经济增长方式分界线所对应的60％下限，但距现代农业所要求的80％还有差距。文章进一步对实证研究结果进行了研判分析。
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