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Soil Quality Assessment of Several Kinds of Typical Artificial Forestlands in the Inner Mongolia Basin of the Yellow River

Author

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  • Jiazheng Zhu

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China
    Desert Science and Engineering College, Inner Mongolia Agricultural University, Hohhot 010018, China
    Jiazheng Zhu and Zhenqi Yang are co-first authors.)

  • Zhenqi Yang

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China
    Jiazheng Zhu and Zhenqi Yang are co-first authors.)

  • Fucang Qin

    (Desert Science and Engineering College, Inner Mongolia Agricultural University, Hohhot 010018, China)

  • Jianying Guo

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China)

  • Tiegang Zhang

    (Yinshanbeilu National Field Research Station of Steppe Eco-Hydrological System, China Institute of Water Resources and Hydropower Research, Beijing 100038, China
    Institute of Water Resources for Pastoral Area, Ministry of Water Resources, Hohhot 010020, China)

  • Ping Miao

    (Ordos River and Lake Protection Center, Erdos 017200, China)

Abstract

Located in the middle and upper parts of the Yellow River Basin, Qingshuihe County, Inner Mongolia, is a typical hilly and gully loess region and one of areas under the implementation of major ecological protection and restoration projects in the key ecological areas of Yellow River. Scientifically and accurately constructing a soil quality evaluation system for different types of artificial forest land and evaluating their soil quality are essential because they help optimize the structure of artificial forest land and improve the soil quality in the loess hilly area of Yellow River Basin. In this study, soil from four representative types of artificial forest land in the middle and upper reaches of the Yellow River Basin in Inner Mongolia was selected as the study object, with natural non-forest land as the control. Sixteen soil property indices in five classes, namely, soil texture, acid–base properties, moisture, pore, and nutrient, were screened using correlation analysis, minimum dataset (MDS), and principal component analysis methods, and an MDS of soil quality evaluation was constructed. Results showed that (1) the evaluation indices of artificial forest land soil quality based on the MDS included total potassium content, total phosphorus content, alkali-hydrolyzed nitrogen content, total nitrogen content, sand content, moisture content, and non-capillary porosity. (2) No significant differences were observed in the soil quality index among the MDS, total dataset, and significant dataset (SDS), all of which exhibited significant positive correlations. (3) The soil quality of the different types of forest land was sorted from high to low as follows: mixed coniferous and broad-leaved forests, larch forests, mixed arbor and shrub forests, Armeniaca sibirica forests, and natural non-forest land.

Suggested Citation

  • Jiazheng Zhu & Zhenqi Yang & Fucang Qin & Jianying Guo & Tiegang Zhang & Ping Miao, 2023. "Soil Quality Assessment of Several Kinds of Typical Artificial Forestlands in the Inner Mongolia Basin of the Yellow River," Land, MDPI, vol. 12(5), pages 1-16, May.
  • Handle: RePEc:gam:jlands:v:12:y:2023:i:5:p:1024-:d:1140822
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    References listed on IDEAS

    as
    1. Cheng Huang & Zhaocheng Wang & Xiaoliang Ren & Xiaomin Ma & Mengyu Zhou & Xiang Ge & Hua Liu & Songling Fu, 2022. "Evaluation of Soil Quality in a Composite Pecan Orchard Agroforestry System Based on the Smallest Data Set," Sustainability, MDPI, vol. 14(17), pages 1-13, August.
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