2026-10-14T02:32:14Z https://www.scidb.cn/oai

10.57760/sciencedb.IGA.00935 2023-12-26T15:56:28Z

2023-12-26 Dataset on the evolution of black soil quality over different years of cultivation (1980-2015) doi:10.57760/sciencedb.iga.00935 en a. Data content (data file/table name, including observation index content) Data File Name: Black Soil Quality Evolution Dataset with Different Reclamation Years (1980-2015) Main content: This dataset reflects the effects of different cultivation years on soil physical and chemical properties, biological characteristics, as well as water and nutrients in the black soil area of Northeast China. b. Construction purpose This dataset is mainly used for research on the protection of black soil resources and land use. c. Service recipients Students, managers, and researchers engaged in research related to agricultural ecology and ecological environment. d. Time range of data Data collection period is from 1980 to 2015 e. The spatial range and projection method of data Northeast Black Soil Region different years of cultivation; evolution of black soil qualit; 1980-2015 宋春雨 PUBLIC https://creativecommons.org/licenses/by/4.0/ dataset Science Data Bank