Summary
Studies on levels of lead and cadmium of Indian flue-cured tobacco indicated that the leaf contained very low amounts of these heavy metals as compared to tobacco from other countries. Indian tobacco can therefore be adjudged as ‘safe and clean’ and least hazardous to the smoker. Of the two heavy metals, lead content of soils is higher than cadmium. But in the leaf, cadmium content is more than lead indicating that soil cadmium may be more available to tobacco and hence more readily absorbed by the plant than lead.
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Murty, K.S.N., Tjell, J.C. & Gopalachari, N.C. Lead and cadmium content of Indian flue-cured tobacco. Plant Soil 95, 281–284 (1986). https://doi.org/10.1007/BF02375079
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DOI: https://doi.org/10.1007/BF02375079