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Efficiency of selenium biofortification of spring wheat: the role of soil properties and organic matter amendment

Author

Listed:
  • Tomáš Mrština

    (Department of Agroenvironmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Lukáš Praus

    (Department of Agroenvironmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Lukáš Kaplan

    (Department of Agroenvironmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Jiřina Száková

    (Department of Agroenvironmental Chemistry and Plant Nutrition, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • Pavel Tlustoš

Abstract

The effect of soil selenate application to two different soils (Phaeozem and Cambisol) on biomass yield and selenium (Se) uptake by spring wheat (Triticum aestivum L.) was investigated in a pot experiment. Additionally, organic amendment (fugate, i.e. liquid by-product from the biogas plant) was applied to assess (i) the effect of organic matter on the bioavailability of Se and (ii) the fugate (containing 2.3 mg/kg of Se) as a potential source of Se for plants. Selenium was applied at two levels: 6.4 µg/kg (Se1) and 32 µg/kg (Se2) of soil. The efficiency of biofortification and the distribution of selenium within individual plant compartments were assessed in this case. The highest Se contents in the grain were achieved in the treatments receiving NPK fertiliser together with selenate, 455 µg/kg (Se1) and 2 721 µg/kg (Se2) when wheat was planted in Phaeozem. Fugate in co-application with selenate significantly reduced Se content in wheat plants as compared to treatments enriched solely with selenate. The lower Se contents in the wheat plants growing in Phaeozem were due to the biodilution effect, whereas in Cambisol, the decrease in wheat Se uptake was not clearly driven by a particular factor.

Suggested Citation

  • Tomáš Mrština & Lukáš Praus & Lukáš Kaplan & Jiřina Száková & Pavel Tlustoš, 2022. "Efficiency of selenium biofortification of spring wheat: the role of soil properties and organic matter amendment," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 68(12), pages 572-579.
    • Handle: RePEc:caa:jnlpse:v:68:y:2022:i:12:id:357-2022-pse
    DOI: 10.17221/357/2022-PSE
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    References listed on IDEAS

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    1. Ladislav Ducsay & Alexandra Zapletalová & Marek Slepčan & Mária Vicianová & Peter Hozlár & Rastislav Bušo, 2021. "Selenium effect on wheat grain yield and quality applied in different growth stages," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 67(3), pages 147-153.
    2. Lukáš Praus & Jiřina Száková, 2019. "Role of sulphate in affecting soil availability of exogenous selenate (SeO42-) under different statuses of soil microbial activity," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 65(9), pages 470-476.
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