Introduction: Youxian District is located in the northwest of Sichuan Basin, and its geographical coordinates are 104 42' 15 "east to 105 8'58" north to 312/kloc-0'13 "north. Baoji-chengdu railway and Sichuan-Shaanxi, Mianzi, Mianyan and other high-grade highways pass through the territory, and are adjacent to Fucheng District, jiangyou city, Santai County and Zitong County. It is an important part of Science City and Electronic City in western China. The whole area is 1 10,000 square kilometers, including 486,000 mu of cultivated land and 310.5 million mu of forest land. By the end of 1990s, 28 water diversion channels had been built in the whole region, benefiting 404,000 mu of farmland in 24 towns and villages in the whole region. The irrigation area of Wuyin irrigation area accounts for 83.3% of the total area of the whole region. Placer gold, stone sand, pebbles, limestone and quartzite in the riverbed on the east bank of Fujiang River, as well as clay and stone widely distributed in hilly areas, are the main non-metallic mineral resources in this area. There are dozens of mineral deposits such as iron, copper, zinc, lead and phosphorus, and natural gas. At the end of 1992, Youxian District was newly built, with a total industrial and agricultural output value of 620 million yuan, including agricultural output value of 430 million yuan and industrial output value of1900,000 yuan, accounting for 40%, 59.7% and 23% of the output value of the central city in that year respectively. The output value of township enterprises is 360 million yuan, accounting for 26% of the central city. The per capita net income of farmers was 75 1 yuan, which was lower than that of 75 yuan in the urban area at that time, and its economic strength was weak. However, Youxian District regards the capital construction of farmland water conservancy as an important content of stabilizing grain income and invigorating rural economy. After eight years of construction, it has invested a total of 285 million yuan. Focus on the construction of 360.2 kilometers of main canals such as branch canals, branch canals and bucket canals in the first phase of the Five Diversion Project, and the effective irrigation area of Shenkang Reservoir increased by 654.38+ 10,000 mu. By the end of 2000, the effective irrigated area of farmland in the whole region reached 484,900 mu. Accumulated transformation of 92,000 mu of low-and medium-yield fields. The total power of agricultural machinery in the whole region reached 6.5438+0.43 million kilowatts, an increase of 8.65438+0.3 million kilowatts compared with that before the construction of the area. In 2000, the total output value of agriculture, forestry, animal husbandry and fishery in the whole region was165438+75 million yuan, an increase of 38.5% compared with the beginning of the construction area. With the continuous improvement of agricultural industrialization level and further adjustment of structure. Animal husbandry has occupied half of the rural economy, and the proportion of planting, forestry, animal husbandry and fishery has been adjusted from 58: 1:40: 1 in 2000 to 46: 1: 2.