Agricultural productivity growth and technology progress in developing country agriculture： case study in China

The goal of this investigation was to analyze the impact of some production variables （input） on agricultural productivity growth （output） in China from 1989-2002. We selected through random sampling Zhejiang Province for our disaggregate analysis with the use of Cobb-Douglas function. The estimation results showed that all key parameters are significant and are of the expected sign. Labor and that capital and land have positive impact on agricultural productivity growth.