Introduction to Dazhai Terraces: Comprehensive management of mountains, water, forests, fields, and roads is the basic policy for transforming Dazhai. On the 1.88 square kilometers of land, more than 1,000 acres of trees have been planted, more than 800 acres of fertile farmland have been renovated, 12 miles of winding mountain roads have been built, 6 water reservoirs have been built, 28 miles of winding mountain canals, more than 30,000 meters of underground water pipes have been laid, and the dryland irrigation area has reached 400 acres. , realized agricultural mechanization and water conservancy.