Illustration of Farmland Grading Based on MAPGIS Software
Xinhua Tong · Journal of Shenyang University · 2007
Studies on farmland grading of Zijin County in Guangdong Province based on MAPGIS software.The technology of GIS applied in farmland grading is summarized.Several main steps are discussed,such as the establishment of farmland grading database,the partition of evaluation units,the acquirement of attributive data and the index calculation.