School of Land Science and Technology,China University of Geosciences;
Key Lab of Land Consolidation,MLR;
Department of Cultivated Land Conservation,Beijing Municipal Bureau of Land and Resources;
School of Land Science and Technology, China University of Geosciences;
Key Lab of Land Consolidation, MLR;
Key Lab of Evaluation and Monitoring of Agricultural Land Quality,MLR;
Beijing Land Resources Surveying and Planning Center;
Land management Grade renewing of cultivated land;
