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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 quaternary -parties motivation system cocerning agricutlural enterpises, agricutlural science and technology acanamy, rural hosueholds and governments is established. The system is capable of integrating market, sciencetific reserch and diffusion collection into a whole part and solving the seperation of agricutlural innovation supply and demand.


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