Relying on the relevant date from China Statistical Yearbook and Chinese Rural Statistical Yearbook, the coolabarative performance of main body of agricutlural technology innovation is evaluated by taking four - power innovation body as the sujects and by estalbishing the index system from the perspectives of inout and output. The results show serious dislocation of main body and bad collabrative performance. On the basis, the four - power motivation system coceming agricutlural enterpises, agricutlural science and technology acanamy, rural hosueholds and governments is established. Trie system is capable of integrating market, sciencetific reserch and diffusion collection into a whole part and solving the separation of agricutlural innovation supply and demand.%依据相关数据,从投入和产出角度构建了农业创新主体的指标体系,并用因子分析法对主体协同绩效进行了评价.结果表明,主体错位严重和协同绩效不佳.在此基础上构建了基于农业企业+农业科研院所+农户+政府的四元主体动力系统,它能够把市场-科研-扩散集合为一体,能够解决农业技术创新供给与需求脱节问题.
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