Soil pH appeared to be the most important of the factors measured, which influenced
the concentration of Cd, Pb, Zn, Cu and Mn at three primings of air-cured (Burley), flue-cured
(Virginia) and sun-cured (Oriental-filling) tobacco produced in Thessaly region (Central
Greece). A significant negative correlation was recorded between soil pH and concentration
of all metals studied in Oriental tobacco leaves, while for Virginia this was observed only for
Cd, Cu and Mn. Significant positive correlations were observed between total and DTPA
extractable metals.