Study On Land Suitability Of Zhanggong District

Is about land quality evaluation at home and abroad for nearly 30 years one of the main content of the study of land resources, land suitability evaluation is to coordinate the relationship between regional land development and land protection and the sustainable development of land resources and basic means.land quality evaluation scientifically, is beneficial to understand the characteristics of the distribution of land resources, for the general land use planning, land resource management, reasonable land development, the national economic development planning, etc. To provide scientific data solid foundation, and the planning and implementation to provide reliable theoretical basis for the establishment of reasonable. departments for better protection and utilization of land resources to provide scientific basis and strategies.Based on the analysis in recent years based on the theory of land suitability evaluation method in Ganzhou district as a study area, based on the principles of selection of evaluation factors, and established the evaluation index system and evaluation standard, using the method of grid division of evaluation unit, according to the actual situation of it, using Delphi method to determine the weights of the factors, based on GIS pseudo technology, its building database to realize the graphics library and attribute library link visits and use its perfect function such as spatial analysis and data processing, and finally, in GIS as technical support for it to carry on the comprehensive land suitability evaluation.Land suitability evaluation results show that it is existing land of 7682.51 hectares, appropriate garden land of 352.85 hectares, other agricultural land of 2202.71 hectares, Around 25603.60 hectares.it has cultivated land quality is suitable for agricultural development, low quality of forest land, grassland area land consolidation should be strengthened and improved;the land suitability evaluation based on GIS has save manpower and material resources, speed up progress of evaluation work and improve accuracy of evaluation work, can hold basic materials, intermediate process and final results, easy to update results of,quantitative analysis of land suitability evaluation based on GIS and it land quality;based on GIS land suitability evaluation results in the general plans for land use planning, land comprehensive improvement, the revision of the villages and towns, the application of research, the results showed that the land suitability evaluation for its implementation provides good land quality data base.On the basis of scientific land evaluation has carried on the rational analysis of its application, and according to the results of land suitability evaluation for and Linda lingle county land utilization is presented to improve the idea and land use in accordance with the law consciousness, practical protection to cultivated land; As a whole industry of various kinds of land; Strengthen the function of land use planning, the macroeconomic regulation and control of land use; Using combined with protection, enhance the land ecological function.