Analysis of tubewell groundwater irrigation system and its technical efficiency

Based on the field survey of tubewells in Hebei Province,a stochastic water frontier production model of tubewells is established. The research results show that the ownership,the management mechanisms and the scale are all statistically significant influence factors on tubewell technical efficiency,and the technical efficiency of non-collective ownership is higher than that of collective ownership1 Based on this study,several policy suggestions on efficient and sustainable development of irrigation systems are provided.