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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., 1970, 14-33, p. 117-120, ISSN.0082-4523

    Moisture content of shredded flue-cured tobacco as affected by relative humidity, temperature, and time

    WELTY R.E.; STOUT S.E.
    Market Quality Research Division, USDA; N.C. Agricultural Experiment Station; Imperial Tobacco Co. USA
    Flue-cured tobacco was stored at 20 and 30C and approximately 75, 80, 85, 87, and 95% relative humidity. Samples from these storage treatments taken weekly for 4 weeks, were dried by freeze-drying and by oven-drying at 40C/7 days, 100 C/16 hours and...
  4. Tob. Sci., 1969, 13-38, p. 117-120, ISSN.0082-4523

    Regional tests with contact and systemic tobacco sucker control agents. II. Burley tobacco

    STEFFENS G.L.; SPAULDING D.W.; ATKINSON W.O.; BORTNER C.E.; LINK L.A.; NICHOLS B.C.; ROSS H.F.; SELTMANN H.; SHAW L.
    Crops Research Div., Agric. Research Service, USDA, Beltsville, Ma.; KY Agric. Expt. Station, Dept of Agronomy, University of Ky., Lexington, Ky.; CRD, ARS, USDA, KY. Agric. Expt. Station, Lexington, Ky.; Dept. of Agronomy, Virginia, Polytechnic Inst., Southwest Virginia Research Stn, Glade Springs, Va.; CRD, ARS, USDA, Tenn. Agric. Expt. Station, Greenville, Tenn.; Agr. Ext. Service; NCSU., Waynesville, NC.; CRD, ARS, USDA, N.C. Agric. Expt. Station, Raleigh, NC. & Waynesville, NC, USA
    Sucker control tests were conducted on Burley tobacco at 4 locations (N.C., Tenn. and two in Ky.) over a 3-year period to compare hand-suckering (HS) with a contact type chemical sucker control agent (methyl caprate-MC) and a systemic type agent...