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Original research article

Front. Environmental Sciences.

Sec. Soil processes

Volume 12 – 2024 |

doi: 10.3389/fenvs.2024.1435618

Provisionally accepted

  • 1

    College of Desert Control and Engineering, Inner Mongolia Agricultural University, Hohhot, China

  • 2

    Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences (CAS), Lanzhou, Gansu Province, China

The final, formatted version of the article will be published shortly.

    In this study, aeolian sandy soil and loess soil of Mu Us sandy land were used as research materials to investigate the effect of soil mixing on the improvement of aeolian sandy soil and to develop a feasible method for sand prevention and sand control. Specifically, loess soils were mixed at 0%, 20%, 40%, 60%, 80% and 100% volume fraction of the mixed soils. The improvement benefits of the mixed soils in terms of their texture properties, water holding capacity and fertilizer retention capacity at different mixing ratios were evaluated. The results showed that after the mixing of aeolian sandy soil and loess soil, with the increasing of loess fraction, the texture type of the mixed soil changes from sandy soil to loamy sandy soil and sandy loam to loamy soil and powdery loam. In addition, granular gradation was observed, the bulk density gradually decreased, the capillary porosity gradually increased, and the performance of water and fertilizer storage properties gradually increased and was strengthened. The spatial variability of the composite soil bulk density, capillary porosity, and water and fertilizer storage properties was almost completely controlled by the proportion of loess soil. This study provides a theoretical basis for the aeolian sand soil improvement in the Mu Us Sandy Land, which can be extended to similar areas and provides a feasible approach for sand management.

    Keywords:
    Soil improvement 5, soil composting 4, aeolian sandy soils 3, loess soils 2, desertification1Keywords: desertification

    Receive:
    20 May 2024;
    Accepted:
    July 11, 2024.

    Copyright ©:
    © 2024 Chao, Xue, ZUO, YAN, Wang, and Li. This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY). Use, distribution, or reproduction in other forums is permitted provided the original author(s) or licensor are credited and the original publication in this journal is cited in accordance with accepted academic practice. Use, distribution, or reproduction not in accordance with these terms is not permitted.

    * Correspondence:

    Chen S. Chao, School of Desert Control and Engineering, Inner Mongolia Agricultural University, Hohhot, China

    Hai b. Wang, College of Desert Control and Engineering, Inner Mongolia Agricultural University, Hohhot, China

    Disclaimer:
    All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations or those of the publisher, editors, and reviewers. No warranty or endorsement is made by the publisher for any product reviewed in this article or for any claims made by its manufacturer.