2021年内蒙古不同类型草原的土壤养分特征数据集

doi:10.19788/j.issn.2096-6369.100005

Abstract

Abstract:

Grassland is not only the largest terrestrial ecosystem, but also the most diverse ecological resource. Grassland observation monitoring is a systematic observation, monitoring, and recording of grassland production factors and their dynamic changes, aiming at elucidating their connections and development patterns. The Inner Mongolia grassland is currently one of the most diverse and well preserved grasslands in the world, and is an important livestock production base in China. In grassland ecosystems, soil nutrients comprehensively reflect the basic attributes and essential characteristics of soil. Studying the changes in soil nutrients of different grassland types not only reflects the impact of plant communities on grassland soil health, but also provides a basis for soil and vegetation restoration forms, speeds, and directions. At present, research on soil nutrients is mostly found in agricultural planting areas, but there is relatively little research on grassland soil nutrients. Taking Inner Mongolia grassland as an example, relevant research mainly focuses on issues such as microbial diversity and greenhouse gases, with little involvement in soil nutrients, and the supply of relevant data is also very limited. This dataset focuses on the soil nutrient characteristics of available phosphorus, available potassium, total nitrogen, organic matter, total salt, and pH value of eight different "regional grassland types" grasslands in Inner Mongolia Autonomous Region during the turning green, vigorous, and withering stages. The involved areas include five typical grassland types. The grasslands include temperate grassland, desert grassland, natural grassland, five flower grassland, and artificial grassland planting areas. The dataset can provide support for the research and practice of sustainable utilization of grassland resources.

Data summary:

Item	Description
Dataset name	Soil Nutrient Characteristics Dataset of Different Types of Grasslands in Inner Mongolia in 2021
Specific subject area	Ecology
Research topic	Soil nutrient
Time range	2021year
Geographical scope	Inner Mongolia (Hulunbuir City, Bayannur City, Ulanqab City, Tongliao City, Chifeng City, Baotou City, Ulanqab City)
Spatial resolution	City-level
Data types and technical formats	XLSX
Dataset structure	The dataset consists of one Excel, which includes soil nutrient characteristics data of eight different types of grasslands in Inner Mongolia during their turning green, vigorous, and withering periods.
Volume of data	20 kB
Key index in dataset	Available phosphorus, available potassium, total nitrogen, organic matter, total salt, pH value
Data accessibility	CSTR：17058.11.DFED10.20231023.20.ds.3747 DOI：10.12205/DFED10.20231023.20.ds.3747 https://www.agridata.cn/data.html#/datadetail?id=291571
Financial support	Observation and Monitoring of Agricultural Basic Long Term Scientific and Technological Work (NAES036AE04); National Pastoral Industry Technology System (CARS-34); Inner Mongolia Agriculture and Animal Husbandry Innovation Fund (2023CYZX05)

Key words: Inner Mongolia, Grassland, Soil nutrient characteristics

DONG Qi, SUN FengCheng, LI YanFang, LI XiuPing, LI BaoHe, REN Chao, YIN Xin, DI CaiXia, LIU TingTing. Soil Nutrient Characteristics Dataset of Different Types of Grasslands in Inner Mongolia in 2021[J].Journal of Agricultural Big Data, 2024, 6(1): 103-109.

Figures/Tables 10

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References 20

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采样地点		有效磷（mg/kg）	速效钾（mg/kg）	pH	全氮（g/kg）	全盐（g/kg）	有机质（g/kg）	碱解氮（mg/kg）
G1	CX-1	4.0	215	8.09	1.27	1.10	19.34	97.00
	CX-2	5.2	189	8.03	1.09	1.30	19.42	114.00
	CX-3	3.4	193	8.04	1.22	1.10	19.38	153.00
	平均值	4.2	199	8.05	1.20	1.17	19.38	121.58

采样地点	有效磷（mg/kg）			速效钾（mg/kg）
采样地点	返青期	旺盛期	枯萎期	返青期	旺盛期	枯萎期
G1	4.20	0.83	2.80	199.00	214.33	130.33
G2	1.26	1.50	2.20	100.33	105.00	73.33
G3	22.07	191.73	24.87	227.67	211.33	579.00
G4	16.06	297.67	3.40	436.67	225.00	150.67
G5	4.20	90.33	29.13	177.67	245.33	276.67
G6	39.13	537.93	32.13	131.67	233.00	104.67
G7	2.33	33.87	3.87	213.33	226.00	142.33
G8	4.97	8.93	4.20	253.67	156.33	145.67

Soil Nutrient Characteristics Dataset of Different Types of Grasslands in Inner Mongolia in 2021

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