The development of the new century hydraulic information also urgently needs the strong support ofGIS,RS,GPS(3S)and computer technology, specifically,in drought and semi-drought areas,it is an important and urgent task that morden information technology are widely used in development and management of land and water resources.
Based upon the present structure and development policies of rural energy in Tongliang County, Sichuan province, this paper analysed the resources, demands, investing scale and developing speed of the rural energy with computersimulation.
The reserve of soil water resources is abundant, if we make full use of it we may find that it will substitute a large number of irrigation water, and it also has a significant meaning to relax the contravention that existed in the demand and supply of water.
The aim of the paper based on the study is to ascertain the reserve of soil water resources and the effect of filed mulching on water saving in Baoding plain, and also in order to provide the academic basis to make full use of soil water resources to saving irrigation water.
Desert and its underground space are undeveloped resources for human be-ings, many problenis, which human beings face with, such as population growth, desertionof the land, deficiency of fresh water, degeneration of grassland, deterioration of ecologicalenvironment may be solved by development of desert resource.