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32 results

  1. Bull. Spec. CORESTA Congress, Lisbon, 2000, p. 107, APOST6 (adjourned)

    Estimation of the state of nitrogen nourishment of tobacco using the N-tester

    KOWALCZYK-JUSKO A.; KOSCIK B.
    University of Agriculture, Lublin - Institute of Agricultural Sciences, Zamosc, Poland.
    The purpose of this work, based on a three years of field experiment, was to inspect whether it is possible to use a chlorophyll meter in fixing the nitrogen doses used in growing flue-cured tobacco. The relationship between the capacity of nitrogen...
  2. Bull. Spec. CORESTA Congress, Brighton, 1998, p. 112, APOST13

    Influence of aqua terra hydrogel on growth, development and yield of light cigarette tobacco

    KOSCIK B.; KOWALCZYK-JUSKO A.
    University of Agriculture, Lublin - Institute of Agricultural Sciences, Zamosc, Poland.
    The aim of introductory field and pot experiments which were carried out in Zamosc in the years of 1995-1997 was to study the influence of Aqua Terra hydrogel on the growth, development and yield of light cigarette tobacco. Hydrogels are substances...
  3. Tob. Sci., 1975, 19-06, p. 16-17, ISSN.0082-4523

    Nuclear magnetic resonance method for the quantitative determination for the plasticizers in cellulose acetate filter rods

    BAGGETT M.S.; KINDER H.D.; MORIE G.P.
    Research Laboratories, Tennessee Eastman Company, Division of Eastman Kodak Company, Kingsport, Tennessee USA
    A rapid quantitative nuclear magnetic resonance (NMR) method was developed for the analysis of plasticizer mixtures in cellulose acetate filter rods. Five 20-mm rods were extracted into 25 ml CCl4 with 0.4% trifluoracetic acid containing benzene as...