Tob. Sci., 1977, 21-22, p. 74-80, ISSN. 0082-4523
Metal contents and insecticide residues in tobacco soils and cured tobacco leaves collected in southern Ontario
Provincial Pesticide Residue Testing Laboratory, Ontario Ministry of Agriculture and Food and Research Station, Agriculture Canada; Research Station, Agriculture Canada, Delhi, Ontario, Canada
Tobacco soils and flue-cured tobacco leaves (Nicotiana tabacum L.) were collected annually between 1970 and 1975 and analyzed for metals and insecticides. The mean contents of metals of the fine sandy soils on which tobacco is grown were as follows:...