Comprehensive assessment on the quality of soil and water resources provides a base for structure adjustment of agricultural planting and optimal allocation of soil and water resources.In order to promote the wise-use of soil and water resources and economic development in Heilonggang area

the comprehensive assessment was carried out at pixel scale on the ArcGIS 10 platform.The evaluation results showed that the quality of the soil and water resources in Heilonggang area was low

with quality values varying between 0.4-0.6.Only 2.5% of the total area had a quality score higher than 0.6.Spatially

the middle and southern regions had high quality resources

and the resources of the eastern and western edges of the study area were of lower quality.The results also showed that the soil resources that had relatively poor quality at present could be improved if water quality became better and at the same time

regional integrated quality of soil and water resources could be raised.