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14 results

  1. Tobacco Science & Technology, 2012, 11, p. 74-78, ISSN.1002-0861

    Influences of arbuscular mycorrhizal fungi on phosphorus content in tobacco planting soil and nutrition absorption of flue-cured tobacco plants

    YAO Juan(1); WANG Maosheng(2); WANG Feng(*1,3); XU Dongqing(2)
    (1) Agricultural College of Guizhou University, Guiyang 550025, P.R. China; (2) Guizhou Tobacco Science Institute, Guiyang 550081, P.R. China; (3) Qianxinan Prefecture Tobacco Company of Guizhou Province, Xingyi 562400, Guizhou, P.R. China
    In order to study the mycorrhizal effects of mycorrhizal seedling after transplanting, three nitrogen (N) levels, 45, 67.5 and 90 kg/ha, were applied in field experiments and the effects of mycorrhizal seedlings on phosphorus (P) content in soil and...
  2. Tobacco Science & Technology, 2009, 5, p. 60-4, ISSN.1002-0861

    Effects of nitrogen rates on physiological and chemical characteristics of flue-cured tobacco under water stress

    CUI BAO-WEI; LU YIN-GANG; ZHANG ZHEN-ZHONG
    Agricultural College, Guizhou University, Guiyang, China
    The effects of nitrogen rates on the physiological and chemical characteristics of flue-cured tobacco under water stress were studied with pot experiments. The results showed that: 1) under the condition of moderate drought (relative moisture content...
  3. Tobacco Science & Technology, 2009, 6, p. 8-32, ISSN.1002-0861

    Catalytic synthesis of megastigmadiendiones with copper(I) chloride in imidazolium ionic liquid

    YANG MIN; YANG JIAN-HUI; PENG QIAN-RONG
    Guizhou University, School of Chemical Engineering, Guiyang, China
    In order to solve the problems of low yields and serious pollution to environment in synthesis of megastigmadiendiones, the experiments on catalytic synthesis of megastigmadiendiones from ionones with metal salt catalyst (such as CuCl, PbCl2, CeCl2,...
  4. 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...
  5. 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...