In situ Soil Nutrient Dataset in Yucheng City, Shandong Province of China (2007-2020)
XU Susu1GONG Huarui2LI Jing*2LIU Hongguang1
1 College of Water Conservancy & Architectural Engineering，Shihezi University，Shihezi 832000，China2 Institute of Geographic Sciences and Natural Resources Research，Chinese Academy of Sciences，Beijing 100101，China
DOI:10.3974/geodb.2025.03.06.V1
Published:Mar. 2025
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Key Words：
Yucheng,intensive agricultural zones,wheat-maize rotation,soil nutrients,
Abstract：
Yucheng City is a representative intensive farming area in Shandong Province of China. The In situ Soil Nutrient Dataset in Yucheng City, Shandong Province of China (2007-2020) was developed based on in situ soil surveys in October (post-harvest period) across 14 consecutive years (2007–2020) under wheat-maize rotation systems. The systematic sampling of 0-20 cm topsoil layers was collected, followed by standardized analyses at the Yucheng Comprehensive Experimental Station, Chinese Academy of Sciences. Key parameters were determined using certified methods: soil pH (water extraction at a 5:1 ratio), total nitrogen (Kjeldahl method), available phosphorus (sodium bicarbonate extraction-molybdenum antimony colorimetry), and available potassium (ammonium acetate extraction-flame photometry). The dataset includes geospatial coordinates (longitude and latitude) of the samples, soil pH, total nitrogen (TN), available phosphorus (Avail-P), available potassium (Avail-K) and soil type. for annual sampling records. The dataset is archived in .gdb and .xlsx data formats, and consists of 94 data files with data size of 2.26 MB (Compressed into one file with 1.17 MB).
Foundation Item：
National Natural Science Foundation of China (42271278)
Data Citation：
XU Susu, GONG Huarui, LI Jing*, LIU Hongguang.In situ Soil Nutrient Dataset in Yucheng City, Shandong Province of China (2007-2020)[J/DB/OL]. Digital Journal of Global Change Data Repository, 2025. https://doi.org/10.3974/geodb.2025.03.06.V1.
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