Analysis on agricultural total factor productivity based on malmquist index method in Chongqing.

The variation trend and components of agricultural total factor productivity of different counties in Chongqing from 2000 to 2006 were analyzed by Malmquist index method.The results showed that the average annual growth rate of agricultural total factor productivity was 4.0%,the average annual growth rate of variation index of agricultural technical efficiency was 5.0% and the index of agricultural technical progress averagely decreased by 1.0% annually,and the growth of agricultural total factor productivity mainly depended on improvement of technical efficiency in Chongqing.Therefore,Chongqing should strengthen and accelerate agricultural technology research and development capabilities,optimize input structure and scale,reform and perfect agricultural technology extension system,improve the quality of rural human capital and continuously strengthen agricultural infrastructure construction according to its own characteristics and development needs to raise the agricultural productivity and enhance agricultural sustainable development ability.