Akumulacija teških metala u Medicago sativa L. i Trifolium pratense L. na kontaminiranom fluvisolu / Accumulation of heavy metals in Medicago sativa L. and Trifolium pratense L. at the contaminated fluvisol
2013
Jakšić, Snežana P. (Institut za ratarstvo i povrtarstvo, Novi Sad (Srbija)) | Vučković, Savo M. (Poljoprivredni fakultet, Beograd-Zemun (Srbija)) | Vasiljević, Sanja Lj. (Institut za ratarstvo i povrtarstvo, Novi Sad (Srbija)) | Grahovac, Nada L. (Institut za ratarstvo i povrtarstvo, Novi Sad (Srbija)) | Popović, Vera M. (Institut za ratarstvo i povrtarstvo, Novi Sad (Srbija)) | Šunjka, Dragana B. (Poljoprivredni fakultet, Novi Sad (Srbija)) | Dozet, Gordana K. (Fakultet za biofarming, Bačka Topola (Srbija))
Recently, heavy metals concentrations increased in some agricultural areas due to the consequences of anthropogenic impacts. The aim of this study was to determine the level of heavy metals (As, Cr, Ni and Pb) in Medicago sativa L. and Trifolium pratense L. grown on fluvisol, in order to obtain information on safety of these nutrients. The total content of Pb, As, Cr and Ni in the samples of fluvisol was above the maximum allowable amount. The content of heavy metals in Medicago sativa L. and Trifolium pratense L. was below the critical and toxic con- centrations in all samples originating from contaminated soil. It was concluded that the accumulation of heavy metals in plants did not depend only on the total content in soil, but also the affinity of the plant, and individual and interactive effects of various soil properties. No statistically significant differences in the ac- cumulation of heavy metals between Medicago sativa L. and Trifolium pratense L were observed. It is necessary to further control of heavy metals in the inves- tigated area, in order to prevent their entry into the food chain and provide healthy food.
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