中文摘要：

在对农业技术推广体系的参与主体进行分析的基础上，通过对全国8省24县基层农技推广体系参与机制概况调查，采用1-5分量表数据评价基层农技推广参与度并分析其影响因素。结果显示，产中合作度指标得分最高，核心农户作用显著；专业合作度指标得分较低，农技推广面向产业和市场的能力有待提升；产前合作度得分最低，农技员的知识更新和技术供给渠道不畅；编制、三权管理等管理体制和农技员的从业年限、学历、职称等个人特征对农技推广参与度有显著影响。

英文摘要：

Based on the analysis of participation body of agro-technical extension, this article investigates the participation mechanism of agro-technical extension by taking the data of 24 counties in 8 provinces as examples, and evaluates the participation degree of main bodies involved in agro-teehnical extension and theirs influencing factors. The results show that： the participation degree of in-production is high and core farmer has effect in agricultural extension; the participation degree of professional body is low and agricultural extension should be oriented to industry and market; the participation degree of pre-produc- tion is the lowest and the channel of knowledge ＆ technology supply is not smooth; the agricultural exten- sion management extension partlclp system and personal characteristics of extension workers have significant influence on ation degree. Finally, this article put forward some policy recommendations.