2026-10-14T15:23:11Z https://www.scidb.cn/oai

10.57760/sciencedb.IGA.00901 2023-12-22T15:59:06Z

2023-12-22 China 1:3 million black soil distribution dataset (1989) doi:10.57760/sciencedb.iga.00901 en a. Data content (data file/table name, including observation index content) Data file name: China 1:3 million black soil distribution dataset (1989) Main content: This dataset reflects the general distribution of black soil in China, mainly including eight soil types: black soil, black calcareous soil, dark brown soil, meadow soil, swamp soil, gray forest soil, white soil, and chestnut calcareous soil. The data type is vector data, which includes one data entity: China 1:3 million black soil distribution dataset (1989) - Data entity. shp b. Construction purpose Clarify the distribution of black soil for the evaluation of agricultural production and farmland fertility, and provide data support for agricultural production, regional agriculture, and sustainable socio-economic development. c. Service recipients Used by scientific and technological workers engaged in soil science and other related research, and also applicable to government decision-making departments. d. Time range of data The data is from 1989. e. The spatial range and projection method of data Space scope: China China; black soil distribution; 1989 杜书立 PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset Science Data Bank