Influence of nitrogen, sulphur, and selenium foliar application on yield and accumulation of selenium in spring wheat grains (Triticum aestivum L.)

Ladislav Ducsay, Alexandra Zapletalová, Mária Vicianová, Ladislav Varga, Marek Slepčan, Marek Rašovský, Vladimír Pačuta, Dávid Ernst, Peter Hozlár, Daša Kubatková and Jakub Sitkey
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Ladislav Ducsay: Institute of Agrochemistry and Soil Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Alexandra Zapletalová: Institute of Agrochemistry and Soil Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Mária Vicianová: Institute of Agrochemistry and Soil Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Ladislav Varga: Institute of Agrochemistry and Soil Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Marek Slepčan: Institute of Agrochemistry and Soil Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Marek Rašovský: Institute of Plant Production, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Vladimír Pačuta: Institute of Plant Production, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Dávid Ernst: Institute of Plant Production, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Peter Hozlár: National Agricultural and Food Centre, Research and Breeding Station, Vígľaš Pstruša, Slovak Republic
Daša Kubatková: Institute of Agrochemistry and Soil Sciences, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic
Jakub Sitkey: Institute of Nutrition and Genetics, Faculty of Agrobiology and Food Resources, Slovak University of Agriculture, Nitra, Slovak Republic

Plant, Soil and Environment, 2025, vol. 71, issue 10, 750-758

Abstract: The study is focused on the evaluation of selenium, nitrogen and sulphur effects on yield, macro- and micronutrient content (N, P, K, Ca, Mg, S, Zn, Fe, Mn, Cu) and quality (Se content, starch, fibre, ash and fat) in wheat grain. Small-plot field experiments (10 m2 each plot) were established on loam to clay loam mollic soil with total Se content 0.21-0.22 mg/kg in Želiezovce on the land of the Central Control and Testing Institute in Agriculture of the Slovak Republic. The effect of growing season on two sources of selenium, in the form of sodium selenite (Na2SeO3 . 5H2O) and sodium selenate (Na2SeO4), was monitored during the growth phase BBCH 29 (the end of the tillering phase) in a two-year experiment. The experiment included six foliar treatments in four repetitions, which were differentiated as follows: T1 - 30 kg N/ha; T1 Se032- - 30 kg N/ha and 20 g Se/ha; T1 Se042- - 30 kg N/ha and 20 g Se/ha; T2 - 30 kg N/ha and 10 kg S/ha; T2 Se032- - 30 kg N/ha, 10 kg S/ha and 20 g Se/ha; T2 Se042- - 30 kg N/ha, 10 kg S/ha and 20 g Se/ha. A statistically significant difference in yield was found between the growing seasons. Statistically non-significant impact of treatments on achieved yields was found. The highest average Se content in grain, 0.90 ± 0.28 mg/kg, was achieved on treatment T2 Se042-. The application of sodium selenite appeared to be less effective than selenate form in the evaluation of average Se content in grain, where statistically significantly higher Se contents (T1 Se042- 0.78 ± 0.22 mg/kg; T2 Se042- 0.90 ± 0.28 mg/kg) were found after selenate application. The application of two types of fertilisers and two forms of selenium did not significantly increase the content of N, P, Mg, and S in grain. The Fe content in the grain was increased by treatment T2 Se032-. The application of sodium selenate compared to sodium selenite significantly increased the starch content (T1 Se042- 56.39 ± 4.44%; T2 Se042- 55.87 ± 4.05) in the grain of spring wheat.

Keywords: nutritional value; deficiency; biofortification; plant uptake; fertilisation (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:71:y:2025:i:10:id:67-2025-pse

DOI: 10.17221/67/2025-PSE

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