Effect of Se-Enriched Irrigation Water and Soil Texture on Biomass Production and Elemental Composition of Green Pea and Carrot and Their Contribution to Human Se Intake

Péter Ragályi, Tünde Takács, Anna Füzy, Nikolett Uzinger, Péter Dobosy, Gyula Záray, Nóra Szűcs-Vásárhelyi and Márk Rékási
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Péter Ragályi: Institute for Soil Sciences, Centre for Agricultural Research, H-1022 Budapest, Hungary
Tünde Takács: Institute for Soil Sciences, Centre for Agricultural Research, H-1022 Budapest, Hungary
Anna Füzy: Institute for Soil Sciences, Centre for Agricultural Research, H-1022 Budapest, Hungary
Nikolett Uzinger: Institute for Soil Sciences, Centre for Agricultural Research, H-1022 Budapest, Hungary
Péter Dobosy: Institute of Aquatic Ecology, Centre for Ecological Research, H-1113 Budapest, Hungary
Gyula Záray: Institute of Aquatic Ecology, Centre for Ecological Research, H-1113 Budapest, Hungary
Nóra Szűcs-Vásárhelyi: Institute for Soil Sciences, Centre for Agricultural Research, H-1022 Budapest, Hungary
Márk Rékási: Institute for Soil Sciences, Centre for Agricultural Research, H-1022 Budapest, Hungary

Agriculture, 2022, vol. 12, issue 4, 1-16

Abstract: Selenium (Se)-deficient diets are a problem in large areas of the world and can have serious health consequences, thus, the biofortification of foods with Se has been an important research field for several decades. The effect of Se-enriched irrigation water was investigated regarding the Se concentration in green peas and carrots. A pot experiment was set up in a greenhouse with irrigation water containing 0, 100, and 500 µg Se L −1 with sand, silty sand and silt soil types. Most of the treatments only slightly reduced the biomass, while the 500 µg Se L −1 treatment caused a significant decrease in the dry weight of carrot root. Treatment with irrigation water containing 100 µg Se L −1 increased the Se content in green peas and carrots 76 and 75 times, respectively, producing foodstuffs where 100 g of a fresh product covered 395% and 92% of the recommended dietary allowance, respectively, averaged over the three soil types. The Se concentration was higher for green peas in sand and carrots in silt. The treatments had little effect on the concentrations of other nutrients. The enrichment of irrigation water with Se may thus be a suitable method for the biofortification and production of functional food under certain conditions.

Keywords: irrigation; biofortification; selenium; recommended dietary allowance; element content (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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