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Soil and Water Quality Indicators of Diversified Farming Systems in a Saline Region of the Mekong Delta, Vietnam

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  • Lam Van Tan

    (Department of Soil Science, College of Agriculture, Can Tho University, 3/2 Street, Ninh Kieu District, Can Tho City 900000, Vietnam
    NTT Hi-Tech Institute, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, Ward 13, District 4, Ho Chi Minh City 70000, Vietnam)

  • Thanh Tran

    (NTT Hi-Tech Institute, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, Ward 13, District 4, Ho Chi Minh City 70000, Vietnam)

  • Ho Huu Loc

    (National Institute of Education, Nanyang Technological University, Singapore 637616, Singapore
    Faculty of Food and Environment Engineering, Nguyen Tat Thanh University, Ho Chi Minh City 70000, Vietnam)

Abstract

Saltwater intrusion, a consequence of climate change and decreased water levels, has been increasingly severe in the Mekong Delta region. Thanh Phu District, Ben Tre Province, Vietnam, is a coastal region where agricultural production and local livelihood have been impaired by saltwater intrusion, resulting in the adoption of multiple coping strategies, including rotations and intercropping. This study aims to measure and evaluate soil and water quality indicators of multiple farming systems in Thanh Phu district and contributes to developing suitable cropping patterns. Soil indicators were pH, electrical conductivity, and exchangeable Na + . Water quality characteristics include pH, salinity, dissolved N and P, alkalinity, H 2 S, and chemical oxygen demand (COD). The results indicated that water pH and salinity were at suitable levels to support the growth of prawn but were below the critical level required to grow black tiger shrimp and white-legged shrimp. Water alkalinity, dissolved N, P, and COD were not constraining for the growth of shrimps. However, a significant concentration of H 2 S may cause disadvantages for shrimp growth.

Suggested Citation

  • Lam Van Tan & Thanh Tran & Ho Huu Loc, 2020. "Soil and Water Quality Indicators of Diversified Farming Systems in a Saline Region of the Mekong Delta, Vietnam," Agriculture, MDPI, vol. 10(2), pages 1-16, February.
    • Handle: RePEc:gam:jagris:v:10:y:2020:i:2:p:38-:d:317969
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    References listed on IDEAS

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    Cited by:

    1. Tran Van Dung & Kim Thu Nguyen & Nguyen Hoang Phuc Ho & Nguyen Thanh Lich Duong & Ngoc Minh Tam Vu & Thi Phong Lan Nguyen & Long Vu Van & Ben MacDonald, 2023. "Reducing greenhouse gas emission by alternation of the upland crop rotation in the Mekong Delta, Vietnam," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 18(1), pages 16-24.
    2. Tharani Gopalakrishnan & Lalit Kumar, 2021. "Linking Long-Term Changes in Soil Salinity to Paddy Land Abandonment in Jaffna Peninsula, Sri Lanka," Agriculture, MDPI, vol. 11(3), pages 1-12, March.
    3. Claudia Di Bene & Rosa Francaviglia & Roberta Farina & Jorge Álvaro-Fuentes & Raúl Zornoza, 2022. "Agricultural Diversification," Agriculture, MDPI, vol. 12(3), pages 1-6, March.
    4. Tran, Dung Duc & Huu, Loc Ho & Hoang, Long Phi & Pham, Tien Duy & Nguyen, Au Hai, 2021. "Sustainability of rice-based livelihoods in the upper floodplains of Vietnamese Mekong Delta: Prospects and challenges," Agricultural Water Management, Elsevier, vol. 243(C).
    5. Nguyet Anh Dang & Rubianca Benavidez & Stephanie Anne Tomscha & Ho Nguyen & Dung Duc Tran & Diep Thi Hong Nguyen & Ho Huu Loc & Bethanna Marie Jackson, 2021. "Ecosystem Service Modelling to Support Nature-Based Flood Water Management in the Vietnamese Mekong River Delta," Sustainability, MDPI, vol. 13(24), pages 1-28, December.
    6. McCarthy, Nancy & Cavatassi, Romina & Mabiso, Athur, 2023. "IFAD RESEARCH SERIES 89: Incorporating the Impact of Climate and Weather Variables in Impact Assessments: An Application to an IFAD Climate Change Adaptation Project in Viet Nam," IFAD Research Series 330876, International Fund for Agricultural Development (IFAD).

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