| The study was carried out to constitute the eco-economical agriculture pattern in semi-arid degenerated hilly region of Loess Plateau in southern Ningxia. The theory and practice of classification, adaptability evaluation and optimizing collocation of land resources in eco-economical agricultural systems were investigated. Following the discipline of interaction of land resource and human, applying principles and methods of system engineering, the agricultural production system was optimized. Moreover, the relationship between ecological agricultural construction and territorial management was discussed. |