Several experiences in supervision of water-saving improvement engineering in Fenhe irrigation area;

Research on quantitative model of water resources carrying capacity in irrigation area;

Investigations on water user associations in water-diversion gravity irrigation districts in Ningxia in the Yellow River Basin;

Irrigation modernization and framework of fast appraisal of irrigation district;

Development of MIS for irrigation district;

Energy and water fluxes in the Yellow River irrigation region;

Optimal utilization of water resource in coastal water-deficient irrigation region;

Drought risk assessment model for irrigation region;

Employing both of construction and management to do well in water-efficient irrigation in irrigated area;

Analysis on drought regime of four irrigated areas in western Guanzhong in Shaanxi Province;

In order to raise automation of metering and control of irrigated area,Short Message Service(SMS) communication module of Global System for Mobile Communication(GSM) was used to build the wireless communication system of water resource dispatch.

Application research on water management information system of irrigation districts based on GIS;

It is pointed out that the long-term target of water information system is to provide services for the establishment of sustainable and modernized "water-saving irrigation districts.

The irrigation districts and canal system rehabilitation situation in our country are described,and some stresses and achievements about irrigation districts rehabilitation in America,Japan,Australia etc.