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Arsenic uptake and phytotoxicity of T-aman rice (Oryza sativa L.) grown in the As-amended soil of Bangladesh

Author

Listed:
  • Md. Abul Kalam Azad

    (University of Rajshahi)

  • Md. Nozrul Islam

    (University of Rajshahi)

  • Ashraful Alam

    (University of Rajshahi)

  • Hasan Mahmud

    (University of Rajshahi)

  • M. A. Islam

    (University of Rajshahi)

  • M. Rezaul Karim

    (University of Rajshahi)

  • Matiar Rahman

    (University of Rajshahi)

Abstract

A pot-culture experiment was conducted in open-field conditions with highly cultivated locally transplanted (T) aman rice (Oryza sativa L.) named BR-22 in arsenic (As)-amended soil (0, 1.0, 5.0, 10.0, 20.0, 30.0, 40.0 and 50.0 mg kg−1 As) of Bangladesh to see the effect of As on the growth, yield and metal uptake of rice. Arsenic was applied to soil in the form of sodium arsenate (Na2HAsO4). Arsenic affected the plant height, tiller and panicle numbers, grain and straw yield of T-aman rice significantly (P ≤ 0.05). The grain As uptake of T-aman rice was found to increase with increase of As in soil and a high grain As uptake was observed in the treatments of 30–50 mg kg−1 As-containing soil. These levels exceed the food hygiene concentration limit of 1.0 mg kg−1 As. However, the straw As uptake varied significantly (P ≤ 0.05) from a low concentration of As in soil (5 mg kg−1) and the highest uptake was noticed in 20 mg kg−1 As treatment.

Suggested Citation

  • Md. Abul Kalam Azad & Md. Nozrul Islam & Ashraful Alam & Hasan Mahmud & M. A. Islam & M. Rezaul Karim & Matiar Rahman, 2009. "Arsenic uptake and phytotoxicity of T-aman rice (Oryza sativa L.) grown in the As-amended soil of Bangladesh," Environment Systems and Decisions, Springer, vol. 29(4), pages 436-440, December.
    • Handle: RePEc:spr:envsyd:v:29:y:2009:i:4:d:10.1007_s10669-009-9235-3
    DOI: 10.1007/s10669-009-9235-3
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    Cited by:

    1. Mohammad Humayun Kabir & Graham Brodie & Dorin Gupta & Alexis Pang, 2021. "Microwave Soil Treatment along with Biochar Application Alleviates Arsenic Phytotoxicity and Reduces Rice Grain Arsenic Concentration," Energies, MDPI, vol. 14(23), pages 1-20, December.
    2. Senanayake, Nari & Mukherji, Aditi, 2014. "Irrigating with arsenic contaminated groundwater in West Bengal and Bangladesh: A review of interventions for mitigating adverse health and crop outcomes," Agricultural Water Management, Elsevier, vol. 135(C), pages 90-99.

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    Keywords

    Arsenic; Rice; Growth; Grain; Straw; Soil;
    All these keywords.

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