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15 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. Bull. ARN, 1989, p. 14-33., ISSN.1146-6200

    Environmental tobacco smoke. Measurement. Consequences for the non-smokers. Experimental study

    HEE J.; ISOARD P.; MALASPINA J.P.
    CERTTA, Centre d'Essais et de Rech. Tech. Tab., Fleury les Aubrais, France
    An experimental study in strictly controlled conditions showed the evolution of tobacco smoke due to time after its emission in the atmosphere. By the time the smoke particles tended to fuse having larger diameters. Transfers between particulate and...