Research progress and prospect on classification and grading of agricultural land in China

The research progresses on classification and grading of agricultural land（CGAL）in China are stated，through theoretical foundation，model and methodology，evaluation indexes，concept and technology process，evaluation cell，application of RS and GIS，related research and application. At the last，the emphasis for further research on CGAL in China，i.e.the research on application of CGAL，evaluation indexes，regional integration，are put forward.