Tob. Sci., 1968, 12-21, p. 81-85, ISSN.0082-4623
A survey of chemical constituents in cultivars of Nicotiana tabacum from different geographical areas
Department of Agronomy, University of Kentucky, Lexington, Kentucky USA
Air-cured leaf samples of 149 tobacco (Nicotiana tabacum L.) introductions and 6 burley varieties adapted to Kentucky were analyzed for total alkaloids, polyphenols total steroids, phosphorus, calcium, potassium, nitrate nitrogen, and total nitrogen....