2026-10-14T11:47:43Z https://www.scidb.cn/oai

10.57760/sciencedb.IGA.00926 2023-12-26T15:57:10Z

2023-12-26 Northeast Crop Yield Dataset (1840-1949) doi:10.57760/sciencedb.iga.00926 en a. Data content (data file/table name, including observation index content) The crop yield dataset for Northeast China (1840-1949) includes factors such as harvest, yield, and production of agricultural products in the three provinces of Northeast China. b. Construction purpose Mainly used for research on agricultural production and dynamic changes in agricultural cultivation processes. c. Service recipients Students and researchers engaged in related research, as well as management and teaching personnel. d. Time range of data 1840-1949 e. The spatial range of data Northeast region Northeast China; Crop Yield; 1840-1949 宋春雨 PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset Science Data Bank