The comparison and study of northwest peasant two liberations;

Two feasible ways of the development of Northwest Agriculture;

Research on the Relations between the Exploration and the Disasters of the Northwest Agriculture during the Qin & Han Dynasties;

The special situation in the late Qing Dynasty made developing northwest agriculture the first choice of Zuo Zong-tang when acquired the success of western expedition.

Study on the Political Socialization of Hui People in the North-West Countryside;

The shortage of water resource is the key factor that restrains the sustainable development of the agriculture and village in the drought-hit area of the northwest of China.