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Best management practices for mitigating agricultural nutrient pollution in the Mun River Basin, Thailand

Author

Listed:
  • Arika Bridhikitti

    (Environmental Engineering and Disaster Management Program, School of Interdisciplinary Studies, Mahidol University Kanchanaburi Campus (MUKA), Lumsum Sub-District, Saiyok District, Kanchanaburi Province, Thailand)

  • Thayukorn Prabamroong

    (Faculty of Environment and Resource Studies, Mahasarakham University (MSU), Kham Rieng Sub-District, Kantarawichai District, Maha Sarakham Province, Thailand)

  • Guohuan Liu

    (Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, P.R. China)

  • Guo-An Yu

    (Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, P.R. China)

Abstract

The Mun River in NE Thailand is one of the significant tributaries of the Lower Mekong River. Its poor river quality has been reported and agricultural activities were claimed to be major causes. This study aims to assess the best management measures appropriately responsive to the nutrient pollution in the Mun River Basin's agricultural ecosystems. The data used for the analysis were acquired from field measurements during the 2018 wet season via satellite retrieval and secondary data collection. Linkages between land-soil datasets and hydro-water quality datasets were assessed through a canonical correlation analysis. The results suggest possible conservation measures with crop yield improvement and fertiliser cost reduction in the western basin. For the southern basin, which exhibits high sediment loading, integrated conservation measures for soil loss reduction with in-stream flow deceleration should be chosen. In the eastern basin, woody buffer strips and check dams should be prioritised. Both nutrient and sediment pollution were experienced in the middle part of the Mun River Basin and applications of low-P manure with mineral NK are recommended. Nonetheless, other soil-water conservation measures can be optionally applied to enhance the effectiveness in the watershed management.

Suggested Citation

  • 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.
    • Handle: RePEc:caa:jnlswr:v:16:y:2021:i:2:id:101-2020-swr
    DOI: 10.17221/101/2020-SWR
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    References listed on IDEAS

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    1. 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.
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    Cited by:

    1. Denisa Bogdana Abrudan & Nosheen Rafi & Dana Codruta Daianu & Masood Nawaz Kalyar, 2022. "Linking green intellectual capital with green innovation: Examining the roles of green dynamic capabilities and 'motivation to achieve legitimacy'," Agricultural Economics, Czech Academy of Agricultural Sciences, vol. 68(7), pages 250-258.

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