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- Title
EFFECT OF SOIL CONTAMINATION WITH FLUORINE ON THE CONTENTS OF CALCIUM AND MAGNESIUM IN THE BIOMASS OF CROP PLANTS.
- Authors
Szostek, Radosław; Ciećko, Zdzisław
- Abstract
The aim of this study was to determine the effect of soil contamination with fluorine, analyzed with the addition of neutralizing substances such as lime, charcoal, and loam, on the contents of calcium and magnesium in eight species of crop plants. Pot experiments were carried out in the years 2009-2011 at the vegetation hall of the University of Warmia and Mazury in Olsztyn, Poland. The study used brown soil taken from the topsoil with the granulometric composition of loamy sand. In the experiments, two factors were considered: (i) the increasing contamination of soil with fluorine in a form of potassium fluoride and (ii) substances neutralizing the soil contamination with fluorine. The increasing contamination of soil with fluorine had a significant effect on the contents of calcium and magnesium in all species and organs of the tested plants. In general, it resulted in a reduction in the contents of calcium and magnesium, with the lowest contents of both analyzed macroelements found in the objects to which fluorine had been introduced in the largest quantity. The calcium content in the tested plants ranged on average from 0.7 g Ca/kg dw in the grain of spring triticale to 23.7 g Ca/kg dw in the above-ground biomass of black radish. In turn, the highest magnesium content was found in the roots of phacelia, on average, 7.0 g Mg/kg dw, and the lowest one in the roots of spring triticale, on average, 0.8 g Mg/kg dw. The above-ground parts of the plants concerned contained more magnesium than their roots. The neutralizing substances added to the substrate in order to inactivate the adverse effects of fluorine on the plants had a positive effect on the contents of calcium and magnesium in the plants. Lime had the most positive effect on the contents of both elements, then loam followed by charcoal.
- Subjects
SOIL pollution; TOXICOLOGY of fluorine; EFFECT of fluorine on plants; FLUORINE content of soils; ENERGY crops
- Publication
Fluoride, 2017, Vol 50, Issue 1, p41
- ISSN
0015-4725
- Publication type
Article