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通过分析国内玉米收获机发展状况,得出我国玉米收获机械化发展的5种模式。在此基础上分析和讨论玉米收获机械化贡献率。玉米收获机械化程度对农业产出贡献率是评价一个国家或地区玉米收获机械化发展程度的一项重要指标,针对我国玉米机械化发展情况,采用C-D生产函数模型法和贡献率有无比较法,对玉米收获机械化贡献率进行测算分析,2011年我国玉米收获机械化的贡献率分别达到12.24%、14.73%和15.09%。
By analyzing the development of domestic corn harvester, we can get 5 modes of mechanization development of corn harvest in our country. On this basis, the contribution of mechanization of corn harvest is analyzed and discussed. The contribution rate of maize harvesting mechanization to agricultural output is an important index to evaluate the development of maize harvesting mechanization in a country or region. According to the development of maize mechanization in our country, using the method of CD production function model and the comparison of contribution rate, According to the calculation and analysis of the contribution rate of mechanization to harvest, the contribution rate of maize harvesting mechanization in China in 2011 reached 12.24%, 14.73% and 15.09% respectively.