Tob. Sci., 1980, 24-39, p. 136-140, ISSN. 0082-4523
Insecticide residues and metal contents in flue-cured tobacco and tobacco sol of Southern Ontario, 1976-1978
Provincial Pesticide Residue Testing Laboratory, Ontario Ministry of Agriculture and Food, Guelph, Ontario, Canada; Research Station, Agriculture Canada, Delhi, Ontario, Canada
Between 1973 and 1978 major changes occurred in the type of insecticides used for the production of flue-cured tobacco (Nicotiana tabacum L.) in Ontario. These changes are reflected in residues observed in the marketed crop. Residues are presented...