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Effect of different fluorine doses on the supraoptic nucleus of the rat

100%

Dabrowska E.

Folia Histochemica et Cytobiologica

1997

tom 35

nr 2

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Impact of soil contamination with fluorine on the content of potassium in the biomass of crops

72%

Szostek R., Ciecko Z.

Acta Agrophysica

2015

tom 22

nr 1

The paper presents results of a study on the influence of fluorine-contaminated soil, supplemented with lime, charcoal and loam, on the content of potassium in eight species of crops. The experiments consisted of eight greenhouse pot trials in 2009-2011. The following factors were tested: I – increasing doses of fluorine in the form of potassium fluoride; II –substances neutralising the soil contamination with fluorine. The content of potassium in plants varied, depending on the degree of soil contamination with fluorine, the application of substances inactivating this xenobiothic element, and on the plant species and organs. The highest mean potassium concentration was detected in the aerial bio-mass of phacelia (46.4 g K kg-1 d.m.) and winter oilseed rape (45.9 g K kg-1 d.m.), while the lowest one was assayed in the grain and straw of spring triticale (5.3 and 7.9 g K kg-1 d.m.). The increasing degree of soil contamination with fluorine contributed to an increase in the average content of potassium in maize, narrow-leaf lupine, winter oilseed rape, black radish, the aerial biomass of yellow lupine and the aerial biomass of the first cut of alfalfa, compared to the control. In general, the neutralising substances applied caused a decrease in the content of potassium in the analysed plant parts.

Ograniczanie wyników

1 Acta Agrophysica

1 Folia Histochemica et Cytobiologica

1 Ciecko Z.

1 Dabrowska E.

1 Szostek R.

1 2015

1 1997

Wyniki wyszukiwania

Effect of different fluorine doses on the supraoptic nucleus of the rat

Impact of soil contamination with fluorine on the content of potassium in the biomass of crops