Correlation between total and EDTA/DTPA-extractable trace elements in soil and wheat

Cankur, O
Aras, NK
Olmez, I
Zhang, W
Goodwin, WE
Chatt, A
Wheat and wheat products are more important sources of energy and nutrients in diets of people in many cultures compared to other foods. The daily consumption of wheat is about 200 g/d/person in Western Europe and North America. On the other hand, 400-450 g of wheat and wheat products are consumed daily by average Turkish people. Wheat samples collected from the Iskenderun region in 1995 and 1996 and Ankara and Istanbul regions in 1995 were analyzed for their trace element content by instrumental neutron activation analysis (INAA). In addition, 13 soil samples were collected from the Iskenderun region in 1996. Total soil samples were analyzed by INAA and atomic absorption spectrometry (AAS), EDTA-extractable elements by INAA, and DTPA-extractable elements by AAS. Correlation analysis and enrichment factor calculations were applied to the trace element results. In wheat samples, a strong correlation was found between the elements such as Sc, La, Sm, Rb, and K whose main source is soil. The concentration of Se appeared to show larger variations among different regions. No significant correlation was observed for elements such as As and Se whose main sources in the atmosphere are anthropogenic activities.


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Citation Formats
O. Cankur, N. Aras, I. Olmez, W. Zhang, W. Goodwin, and A. Chatt, “Correlation between total and EDTA/DTPA-extractable trace elements in soil and wheat,” BIOLOGICAL TRACE ELEMENT RESEARCH, pp. 109–119, 1999, Accessed: 00, 2020. [Online]. Available: