中文摘要：

关于农业机械化对农村经济增长的贡献率,前人已有精辟论述,但其中不乏瑕疵。为此,予以了更正。同时,对湖北省进行了实证分析,其农业劳动力产出弹性为-1.56,土地产出弹性为1.85,农业机械产出弹性为0.25,其它物耗产出弹性为0.59;农业机械的投入增加及其技术进步对农业产出增长率的贡献率是21.93%。

英文摘要：

There are lots of researches about the contribution rate of agricultural mechanization to rural economic growth,but also exists a few faults in them,which is corrected in this paper.The empirical analysis on Hubei Province is conducted,and the results are the elasticity of agricultural labor-output,land-output,machine-output and other materials output are-1.56,1.85,0.25 and 0.59,separately,the contribution rate of agricultural machine input increase and its technology developing to output is 21.93%.