The arid tendency of agricultural eco-environment needs to innovate radically the existing unreasonable models and outdated ideas of agriculture developing in Ningxia Hui Autonomous Region.The avoiding calamity agriculture should be the new idea to agricultural sustainable development in Ningxia region.Furthermore

the sub-model of drawing the Yellow river irrigable land and the sub-model of southern mountainous area are produced and formed through analyzing the characteristics of avoiding calamity agriculture and based on the conditions of arid calamity and the un-evenly characteristic of inner environmental quality in smaller region.The model of avoiding calamity agriculture is accepted easily in economy

operated easily in management and has high benefits.Especially

it is of great significance to improve agricultural investment environment and to realize regional sustainable development.