This part of the water field serves as the Da'an demonstration base of Tsinghua University's Saline and Alkaline Area. The demonstration base has unique and superior conditions: 1, excellent warm and light water conditions, average number of sunshine hours throughout the year in the area, average annual temperature 4.3C, average annual temperature of 2921.3C, introduction of white engineering cover, land flat, complete facilities, suitable for scale, standard pipe Rei. 2, planning science, complementarity.All channels at the base are built to a high standard, dry-backed farm canals are lined with cement, and the drainage system has been fully cleared by May 2015. 3, the land is pure and the potential is great.The former base is saline wasteland, a rare virgin land suitable for the development of eco-organic agriculture, food safety and overmarket returns. 4, the property rights are clearly extended.Clear property rights, long transfer duration, legal process regulations, many millions of acres of new arable land around the area, and strong scalability and aggregation effects, which are conducive to mechanized production, scale-up operations and standardized management. 5, with mature cultivation technology, now Tsinghua University saline improvement northeast demonstration area Daan demonstration base has planted area of 12,000 acres, rice yield and quality have performed well, through cultivation practice and technological innovation, has established a system of cultivation management technology adapted to the improvement of cultivated land. Hua Qing Agriculture adheres to the Tsinghua spirit of “self-strength, thick and thick goods”, and sincerely welcomes agricultural enterprises, professional cooperatives and growing large households with some strength to negotiate cooperation and co-development.Free for the first year, $3000/mu/year for the second.Every year there will be increments that can specifically be faced.