In the soil resource management information system based on GIS, the most basic operations are the operation of map, the attribute data inquiry and statistics and spatial data inquiry as well.
Pollution to soil can be reduced by changing farming method and managementsystem.
通过改变耕作方法和管理制度,减轻对土壤造成的污染。
3
To establish a soil resources information system for site specific management is essential for rational development and utilization of wide spread red soil resources in southern China.