2026-10-12T00:34:36Z https://www.scidb.cn/oai

10.57760/sciencedb.IGA.00640 2023-10-20T16:21:03Z

2023-10-20 1:100000 Soil Nitrogen Content Dataset in Fujin City, Heitu District (2013) doi:10.57760/sciencedb.iga.00640 en a. Data content (data file/table name, including observation index content) Data File Name: 1:100000 Soil Nitrogen Content Dataset in Fujin City, Heitu District (2013) Main content: Fujin tn2013.img b. Construction purpose This dataset mainly provides data support for research on dynamic changes in soil nutrients, nitrogen accumulation and emissions from farmland. c. Service object Students and researchers engaged in agricultural ecology and soil science research. d. Time range of data The data source was in 2013 and was produced in 2014. e. The spatial range and projection method of data Space scope: Fujin City, Heilongjiang Province Fujin City, Heitu District; Soil Nitrogen Content; 2013 杜书立 PUBLIC https://creativecommons.org/publicdomain/zero/1.0/ dataset Science Data Bank