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Modeling of the Arsenic Uptake by Brassica perviridis (L. H. Bailey) (Spinach Mustard) Growing on Different Soils Collected in Northern Vietnam

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Abstract

Evaluation of the arsenic content in food has always been an important issue due to its high toxicity. This is especially relevant for Vietnam, a country with high arsenic contamination. The present study focuses on the development of a model function to predict As uptake in the vegetable Brassica perviridis as a function of the conditions of plant growth and soil parameters. The content of the As and Fe in the samples was determined by neutron activation analysis at the IBR-2 reactor; the soil pH and total organic carbon content were measured in the Institute of Nuclear Science and Technology –Vietnam Atomic Energy Institute (Hanoi, Vietnam). Obtained data have shown that As uptake in the Brassica perviridis plants grown in northern Vietnam could be presented as a function of soil parameters such as pH, organic carbon content, and Fe content, but is not dependent on As content in soil. Particularly high Fe content in Vietnamese soils contribute to As immobilization and prevent its uptake by plants. Regression Data Analysis was used to extract the model function with good corresponding statistics: correlation factor R > 0.97, the probability p-value of independent variable coefficients in the range from 1.86E-07 to 0.007, and the significance F of the model < 1.49E-11. The obtained values demonstrate the reliability and the trueness of the applied model at given soil characteristics and conditions of plants cultivation. The concertation of As in irrigating water could be regarded as the main source of the As uptake in plants and need to be investigated.

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The datasets used and analyzed during this article are available from the corresponding author on reasonable request.

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Acknowledgements

This work was carried out in the framework of the cooperation program between the Vietnam Academy of Science and Technology, Vietnam, and the Joint Institute for Nuclear Research. We would like to express our special thanks to the staff of the sector Neutron Activation Analysis (FLNP. JINR) for handling radioactive samples. L.H.K gratefully acknowledges the financial support for senior researcher of the Vietnam Academy of Science and Technology (Grant No. NCVCC05.01/22-23) and of the International Centre of Physics at the Institute of Physics (Grant No. ICP.2022.04).

Funding

This research was funded by Grant of the Plenipotentiary of Vietnam.

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Conceptualization, N.T.B.M. and T.T.T.M.; methodology, T.T.T.M., I.Z, L.H.K.; software, T.T.T.M.; formal analysis, X.X.; investigation, N.T.B.M., K.V., P.L.T, H.L.A., and N.T.T.H; data curation, N.T.B.M. and T.T.T.M; writing—original draft preparation, N.T.B.M., I.Z. and T.T.T.M.; writing—review and editing, I.Z.. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Inga Zinicovscaia.

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My, N.T.B., My, T.T.T., Zinicovscaia, I. et al. Modeling of the Arsenic Uptake by Brassica perviridis (L. H. Bailey) (Spinach Mustard) Growing on Different Soils Collected in Northern Vietnam. Water Air Soil Pollut 235, 180 (2024). https://doi.org/10.1007/s11270-024-06989-7

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  • DOI: https://doi.org/10.1007/s11270-024-06989-7

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