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Sustainable Restoration of Typical Degraded Grasslands: An Evaluation of Ecological Benefits from Bio-Organic Fertilizer Applications

Author

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  • Qunjia Yu

    (Key Laboratory of Grassland Resources, Ministry of Education, College of Grassland Science, Inner Mongolia Agricultural University, Hohhot 010011, China)

  • Yiyang Wang

    (Key Laboratory of Grassland Resources, Ministry of Education, College of Grassland Science, Inner Mongolia Agricultural University, Hohhot 010011, China)

  • Xuefang Zhang

    (Key Laboratory of Grassland Resources, Ministry of Education, College of Grassland Science, Inner Mongolia Agricultural University, Hohhot 010011, China)

  • Yanhua Li

    (Key Laboratory of Grassland Resources, Ministry of Education, College of Grassland Science, Inner Mongolia Agricultural University, Hohhot 010011, China)

  • Guangyi Lv

    (Key Laboratory of Grassland Resources, Ministry of Education, College of Grassland Science, Inner Mongolia Agricultural University, Hohhot 010011, China)

  • Andreas Wilkes

    (Values for Development Limited, 107 Green End Road, Cambridge CB4 1RS, UK)

  • Chengjie Wang

    (Key Laboratory of Grassland Resources, Ministry of Education, College of Grassland Science, Inner Mongolia Agricultural University, Hohhot 010011, China)

Abstract

To investigate the effects of restoration measures on degraded grasslands in the typical steppe of Inner Mongolia, two restoration treatments—enclosure (EN) and enclosure with additional bio-organic fertilizer application (EF)—were established with moderately grazed degraded grassland as the control (MG). The impacts of these measures on vegetation community characteristics and soil physicochemical properties were systematically analyzed, and the post-restoration ecological benefits were quantitatively evaluated using an assessment system. The results showed that (1) over the two experimental years, both EN and EF treatments improved vegetation community characteristics and soil physicochemical properties, with the overall restoration effect ranking as EF > EN > MG; (2) compared with the first experimental year, the restoration of plant and soil characteristics was more significant in the second year; (3) ecological benefit analysis showed that the Soil Quality Index (SQI) decreases with soil depth. Compared to MG, the EF treatment increased topsoil SQI by 38.89–65.71% in the first and second years of restoration, respectively. Comparative evaluation indicated that EF led to more significant increases in vegetation community characteristics than MG. Thus, the EF treatment can significantly enhance the ecological benefits of typical degraded grasslands.

Suggested Citation

  • Qunjia Yu & Yiyang Wang & Xuefang Zhang & Yanhua Li & Guangyi Lv & Andreas Wilkes & Chengjie Wang, 2025. "Sustainable Restoration of Typical Degraded Grasslands: An Evaluation of Ecological Benefits from Bio-Organic Fertilizer Applications," Sustainability, MDPI, vol. 17(19), pages 1-19, September.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:19:p:8716-:d:1760144
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    References listed on IDEAS

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    1. Qiang Liu & Hongwei Xu & Haijie Yi, 2021. "Impact of Fertilizer on Crop Yield and C:N:P Stoichiometry in Arid and Semi-Arid Soil," IJERPH, MDPI, vol. 18(8), pages 1-12, April.
    2. Michele Scotton, 2021. "Grassland Restoration at a Graded Ski Slope: Effects of Propagation Material and Fertilisation on Plant Cover and Vegetation," Agriculture, MDPI, vol. 11(5), pages 1-17, April.
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