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13 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, 19-31, p. 83-85, ISSN.0082-4523

    Alkaloid content and germination performance of seed produced by cytoplasmic male-sterile tobacco

    HOSFIELD G.L.; LONG R.C.; WERNSMAN E.A.
    USDA, ARS; Department of Horticulture, University of Wisconsin, Madison, Wisconsin USA; North Carolina State University, Raleigh, North Carolina USA
    Seed alkaloid content, germination rate and percent germination were investigated to determine their possible contribution to seedling performance of cytoplasmic male-sterile tobacco, Nicotiana tabacum L. Seed produced on cytoplasmic male-sterile...
  4. Tob. Sci., 1970, 14-29, p. 101-104, ISSN.0082-4523

    Effect of soil type on tobacco seedlings as influenced by soil fumigation, temperature and nitrogen sources

    GOUS P.J.; KROONTJE W.; CARSON E.W.
    Department of Soil Science, University of Wisconsin, Madison, Wisconsin USA; Department of Agronomy, Virginia Polytechnic Institute, Blacksburg, Virginia USA
    Tobacco transplant seedlings were grown for 30 days in fumigated and non-fumigated Cecil and Appling soil material in growth chambers at either 13, 21, or 29 C temperatures. The plants were fertilized with either KNO3, (NH3)SO4 or NH4NO3. No abnormal...