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Soil pore structure and its research methods: A review

Author

Listed:
  • Nannan Wang

    (Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling, Shaanxi, P.R. China
    College of Water Resources and Architectural Engineering, Northwest A&F University, Yangling, Shaanxi, P.R. China
    Institute of Water-saving Agriculture in Arid Area of China, Northwest A&F University, Yangling, Shaanxi, P.R. China)

  • Tibin Zhang

    (Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A&F University, Yangling, Shaanxi, P.R. China
    Institute of Water-saving Agriculture in Arid Area of China, Northwest A&F University, Yangling, Shaanxi, P.R. China)

Abstract

Soil pore is an important part of soil structure. According to the causes of formation, soil pores can be divided into biological pores formed by animal movement and plant root development and non-biological pores formed by dry-wet and freeze-thaw alternation or artificial tillage. The soil pore structure affects the migration of water, gas, nutrients and so on in the soil, especially the macropores can also produce water or solute preferential migration. Studying soil pores is of great significance for predicting soil hydraulic properties, reducing groundwater pollution and soil nutrient loss. Based on previous studies on soil pore structure, this paper systematically summarized the role of soil pores, influencing factors and the advantages and disadvantages of various research methods. This paper not only introduces traditional methods (including direct and indirect methods), but also summarizes the new research on soil pores combined with computed tomography (CT) technology and other science and technology in recent years. Finally, the prospect and development trend of soil pore research in the future were predicted, so as to provide reference for further research on soil pore structure.

Suggested Citation

  • Nannan Wang & Tibin Zhang, 2024. "Soil pore structure and its research methods: A review," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 19(1), pages 1-24.
    • Handle: RePEc:caa:jnlswr:v:19:y:2024:i:1:id:64-2023-swr
    DOI: 10.17221/64/2023-SWR
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    References listed on IDEAS

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    1. Marina V Karsanina & Kirill M Gerke & Elena B Skvortsova & Dirk Mallants, 2015. "Universal Spatial Correlation Functions for Describing and Reconstructing Soil Microstructure," PLOS ONE, Public Library of Science, vol. 10(5), pages 1-26, May.
    2. Xiaoming Guo & Tongqian Zhao & Lin Liu & Chunyan Xiao & Yuxiao He, 2018. "Effect of Sewage Irrigation on the CT-Measured Soil Pore Characteristics of a Clay Farmland in Northern China," IJERPH, MDPI, vol. 15(5), pages 1-14, May.
    3. Bouma, J., 1981. "Soil morphology and preferential flow along macropores," Agricultural Water Management, Elsevier, vol. 3(4), pages 235-250, July.
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