Tob. Sci., 1984, 28-40, p. 156-158, ISSN. 0082-4523
Levels of N-nitrosonornicotine in tobaccos grown under varying agronomic conditions
Tobacco Safety Research Unit, Agricultural Research Service, United States Department of Agriculture, Athens, GA, USA; Crops Research, Agricultural Research Service, United States Department of Agriculture, Coastal Plains Experiment Station, Tifton, GA, USA
Nicotine, nornicotine and N-nitrosonornicotine (NNN) contents of various tobaccos were determined. The effect of nitrogen fertilization on NNN production was evaluated by growing a normal flue-cured tobacco (NC 2326) and a converter tobacco-(NIC...