Barium, Lithium and Titanium Content in Herbs of Mid-Field Wet Depressions in East-Central Poland
Elżbieta Malinowska | Jan Novak
This paper presents the results of research on the Ba, Li and Ti content in six species of herbs sampled from mid-field wet depressions and from the soil. These temporary flooded depressions were surrounded by arable crops, permanent grassland and shrubby vegetation. The research area was located in the eastern part of the Mazovian Voivodeship, east-central Poland. The following plants were used in the experiment: corn mint (<i>Mentha arvensis</i> L.), purple marshlocks (<i>Comarum palustre</i> L.), silverweed (<i>Potentilla anserina</i> L.), yarrow (<i>Achillea millefolium</i> L.), yellow loosestrife (<i>Lysimachia vulgaris</i> L.) and gypsy-wort (<i>Lycopus europaeus</i> L.). The Li, Ba and Ti content of plants, bottom sediment and soil was determined by the ICP-AES method after previous dry mineralization. Of the six herb species, <i>Mentha arvensis</i> L. was with the greatest accumulation potential of the chemical elements. However, no excessive Ba, Li and Ti content was found in herbs growing at different distances from arable fields, permanent grassland and shrubby vegetation. The highest Ba content was found in periodically flooded soil (zone II), while the highest amounts of Li and Ti were recorded in non-flooded soil (zone III).
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