2026-10-14T16:01:03Z https://www.scidb.cn/oai

10.57760/sciencedb.IGA.00378 2023-09-12T15:57:37Z

2023-09-12 Historical Dataset of Surface Soil Nutrient Content of Different Soil Types in Heilongjiang Province and Various Cities (1990) doi:10.57760/sciencedb.iga.00378 en a. Data content (data file/table name, including observation index content) The historical dataset of surface soil nutrient content of different soil types in Heilongjiang Province and various cities (1990) reflects the nutrient content of surface soil of different soil types in Heilongjiang Province and various cities. Contains 10 worksheets: (1) 1990 Historical Dataset of Surface Soil Nutrient Content of Different Soil Types, Subcategories, Genera, and Species in Heilongjiang Province (2) 1990 Historical Dataset of Nutrient Content in Surface Soil of Different Soil Types, Subcategories, Genera, and Species in Harbin City (3) 1990 Historical Dataset of Surface Soil Nutrient Content for Different Soil Types, Subcategories, Genera, and Species in Qiqihar City (4) 1990 Historical Dataset of Surface Soil Nutrient Content for Different Soil Types, Subcategories, Genera, and Species in Mudanjiang City (5) 1990 Historical Dataset of Surface Soil Nutrient Content for Different Soil Types, Subcategories, Genera, and Species in Jiamusi City (6) 1990 Historical Dataset of Surface Soil Nutrient Content for Different Soil Types, Subcategories, Genera, and Species in Yichun City (7) 1990 Historical Dataset of Nutrient Content in Surface Soil of Different Soil Types, Subcategories, Genera, and Species in Jixi City (8) 1990 Historical Dataset of Surface Soil Nutrient Content for Different Soil Types, Subcategories, Genera, and Species in Heihe City (9) 1990 Historical Dataset of Surface Soil Nutrient Content for Different Soil Types, Subcategories, Genera, and Species in Suihua City (10) 1990 Historical Dataset of Surface Soil Nutrient Content for Different Soil Types, Subcategories, Genera, and Species in the Songhua River Region Each worksheet corresponds to a sub dataset. b. Construction purpose Excavate soil data resources in the northeast black soil area to serve research and application in planting, soil restoration, and land planning. c. Service object Students and researchers engaged in related research, as well as management and teaching personnel. d. Time range of data The data was collected in 1990 e. The spatial range of data Heilongjiang Province Heilongjiang Province and Vari; Surface Soil Nutrient Content; 1990 宋春雨 PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset Science Data Bank