1. Beitr. Tabakforsch. Int., 1988, 14-2, p. 93-103., ISSN.0173-783X

    Pattern recognition of tobacco headspace GC profiles. A potential new analytical tool for the classification of raw tobaccos

    HEINZER F.; MAITRE H.P.; RIGAUX M.
    F.J. Burrus & Cie SA, Boncourt, Switzerland
    The first part of the paper describes a new method of obtaining reproducible and meaningful headspace profiles of tobacco lamina by using a modified closed loop stripping apparatus. The complex chromatograms are obtained by high-resolution glass...
  2. Beitr. Tabakforsch. Int., 1989, 14-4, p. 211-36., ISSN.0173-783X

    Physiology and biochemistry of tobacco plant : 2. Physiological disorder : Mineral substances

    BARNEY P.E. JR.; BUSH L.P.; TSO T.C.
    University of Kentucky, Dept. of Agronomy, Lexington, KY, USA
    Quality tobacco leaf comes from plants grown with balanced mineral nutrition. The"structural nutrients"(carbon, hydrogen and oxygen) are approximately 90% of the dry weight of cured leaf but are of little economic concern. The macronutrients...