Ⅰ. Natural Enviornment and Economic Conditions.Ⅱ. Regular Distribution of Types of Land and Characteristics of Land Utilization.(A) Due to climat limitations

the proportion of arable land is small.(B) Because of the geographical shape of the land

the vertical differences of the land utilization are obvious.(C) Limited by water sources

arable land is mostly scattered.Ⅲ. The Problems At Hand(A) Disharmony between land utilization and land fertilization.(B) Severe desertification and salinification and alkalinization problems.(C) Lack of systematic planning for housing construction causes sharp decrease of arable land.(D) Lack systematic land-use planning for the mountainous regions and plains.Ⅳ. Suggestions for Future Land Utilization(A) Coordinate potential specialties and production specialties.(B) Coordinate land utilization and environmental protection.(C) Coordinate development of mountainous regions and building-up of the plains.(D) Coordinate development of grapevine base and the production of grains and cotton.(E) Coordinate expansion of arable land and land development.