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Saline–Alkali Soil Reclamation Contributes to Soil Health Improvement in China

Author

Listed:
  • Wei Zhu

    (College of Civil and Architecture Engineering, Chuzhou University, Chuzhou 239000, China)

  • Shiguo Gu

    (College of Civil and Architecture Engineering, Chuzhou University, Chuzhou 239000, China)

  • Rui Jiang

    (Research Center for Cultural Landscape Protection and Ecological Restoration, China-Portugal Belt and Road Cooperation Laboratory of Cultural Heritage Conservation Science, Gold Mantis School of Architecture, Soochow University, Suzhou 215006, China)

  • Xin Zhang

    (State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China)

  • Ryusuke Hatano

    (Research Faculty of Agriculture, Hokkaido University, Sapporo 0608589, Japan)

Abstract

Soil salinization is a significant threat to soil health, especially to the agricultural ecosystem; it reduces vegetation biomass, destroys ecosystem diversity, and limits land use efficiency. This area of investigation has garnered extensive attention in China, especially in the arid and semi-arid areas, totaling 7.66 × 10 6 ha. A variety of theoretical research and technology developments have contributed to soil water and salt regulation and the screening of salt-tolerant varieties to improve nutrient utilization efficiency and microbial control and reduce ecological problems due to saline-based obstacles. These techniques can be classified into physical treatments, chemical treatments, biological treatments, and combined treatments; these different measures are all aimed at primarily solving saline–alkali stress. In general, the improvement and utilization of saline–alkali soil contribute to soil health improvement, concentrating on high-quality development, food security, ecological security, cultivated land protection, and agricultural upgrading. However, the risks of various technologies in the practical production process should be highlighted; green and healthy measures are still expected to be applied to saline–alkali land.

Suggested Citation

  • Wei Zhu & Shiguo Gu & Rui Jiang & Xin Zhang & Ryusuke Hatano, 2024. "Saline–Alkali Soil Reclamation Contributes to Soil Health Improvement in China," Agriculture, MDPI, vol. 14(8), pages 1-25, July.
    • Handle: RePEc:gam:jagris:v:14:y:2024:i:8:p:1210-:d:1441231
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    References listed on IDEAS

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