In order to investigate the relationships between tree crown size and water consumption of rainfed jujube plantations,soil moisture under different conditions( natural planting,high-density dwarfing,stem-cutting,extreme dwarfing and pruning with different intensities) were measured by using the CNC100 neutron gauges,meanwhile,water balance method was used to calculate the water consumption and water use efficiency of above-mentioned jujube plantations. Results showed that compared with natural plantation,hi...