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Distribution Characteristics and Seasonal Variation of Soil Nutrients in the Mun River Basin, Thailand

Author

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  • Zhonghe Zhao

    (State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

  • Gaohuan Liu

    (State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China)

  • Qingsheng Liu

    (State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China)

  • Chong Huang

    (State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China)

  • He Li

    (State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China)

  • Chunsheng Wu

    (State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China)

Abstract

Based on soil sampling data from the dry season and the rainy season, the spatial heterogeneity and spatial pattern of soil nutrients in the Mun River Basin, Thailand, were studied and the seasonal variation in soil nutrients was analyzed using classical statistical methods and geostatistical methods. The soil nutrient content in the Mun Basin showed moderate and strong variations, and the descending order of soil variability was as follows: available phosphorous (AP) > electric conductivity (EC) > soil organic matter (SOM) > total nitrogen (TN) > pH value in the dry season, with AP showing strong variation, and EC > AP > SOM > TN > pH in the rainy season, with EC showing strong variation. Different soil nutrients and different soil properties had different spatial variation characteristics, and their corresponding best-fitting models were also different. Based on the nugget (C 0 ), sill (C 0 + C), and range (A), spatial analysis was performed for the soil nutrients, pH, and EC in the dry season and in the rainy season. Analysis based on kriging spatial interpolation data showed that pH, SOM, TN, and EC had convex or concave distributions, whereas AP had a patchy distribution. Terrain, vegetation, and human disturbance are the main factors that contribute to the differences in the soil nutrient pattern of the Mun River Basin.

Suggested Citation

  • Zhonghe Zhao & Gaohuan Liu & Qingsheng Liu & Chong Huang & He Li & Chunsheng Wu, 2018. "Distribution Characteristics and Seasonal Variation of Soil Nutrients in the Mun River Basin, Thailand," IJERPH, MDPI, vol. 15(9), pages 1-18, August.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:9:p:1818-:d:165278
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    References listed on IDEAS

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    1. Robert Bagchi & Rachel E. Gallery & Sofia Gripenberg & Sarah J. Gurr & Lakshmi Narayan & Claire E. Addis & Robert P. Freckleton & Owen T. Lewis, 2014. "Pathogens and insect herbivores drive rainforest plant diversity and composition," Nature, Nature, vol. 506(7486), pages 85-88, February.
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    Cited by:

    1. Haoyu Tian & Guo-An Yu & Ling Tong & Renzhi Li & He Qing Huang & Arika Bridhikitti & Thayukorn Prabamroong, 2019. "Water Quality of the Mun River in Thailand—Spatiotemporal Variations and Potential Causes," IJERPH, MDPI, vol. 16(20), pages 1-19, October.
    2. Arika Bridhikitti & Thayukorn Prabamroong & Guohuan Liu & Guo-An Yu, 2021. "Best management practices for mitigating agricultural nutrient pollution in the Mun River Basin, Thailand," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 16(2), pages 121-128.
    3. Sisi Li & Huawei Pi, 2022. "Deconstruction of Dryness and Wetness Patterns with Drought Condition Assessment over the Mun River Basin, Thailand," Land, MDPI, vol. 11(12), pages 1-16, December.
    4. Rui Qu & Guilin Han & Man Liu & Xiaoqiang Li, 2019. "The Mercury Behavior and Contamination in Soil Profiles in Mun River Basin, Northeast Thailand," IJERPH, MDPI, vol. 16(21), pages 1-16, October.
    5. Zhonghe Zhao & Kun Liu & Bowei Yu & Gaohuan Liu & Youxiao Wang & Chunsheng Wu, 2023. "Modeling of Agricultural Nonpoint-Source Pollution Quantitative Assessment: A Case Study in the Mun River Basin, Thailand," Sustainability, MDPI, vol. 15(13), pages 1-16, June.

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