Content of heavy metals in gleyic chernozem of Srem loess terrace [Serbia] under alfalfa | Sadržaj teških metala u oglejenom černozemu sremske lesne terase [Srbija] pod usevom lucerke
2012
Jakšić, S., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Sekulić, P., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia) | Vasin, J., Institut za ratarstvo i povrtarstvo, Novi Sad (Serbia)
Production of high-quality forage from alfalfa is influenced not only by the presence of nutrients, but also by the absence of harmful elements, such as heavy metals. The examination of the total heavy metals content (Ni, Cr, Pb and As) in gleyic chernozem soil of Srem loess terrace in Hrtkovci, under alfalfa (Medicago sativa L.) were carried out in 2011 in order to determine suitability for the production of safe forage. The total content of Pb, As and Cr was below the maximum permitted concentrations. The content of As, Cr and Ni was higher in the surface layer, unlike Pb, whose content was higher in the deeper layers of soil. A significant positive correlation was found between the total content of Ni, Cr and As. An increased concentration of Ni was found, which was above the maximum permitted concentration. It is necessary to further control its content and accessibility examination and extraction from plants, to prevent its entry into the food chain and provide safe food.
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