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16 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., 1967, 11-31, p. 112-114, ISSN.0082-4523

    Comparison of insecticide deposits applied as dust and spray by airplane to cigar-wrapper tobacco

    TAPPAN W.B.; VAN MIDDLELEM C.H.; MOYE H.A.
    North Florida Experiment Station, Quincy; Pesticide Research Laboratory, Florida, Agricultural Experiment Station, Gainesville, FL USA
    DDT dust and spray were applied from an airplane to a cloth-covered cigar-wrapper tobacco shade in 1966. Deposits of both formulations of insecticide were recovered on mineral oil-soaked filter paper traps placed above and within the shade. The traps...