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7 results

  1. Beitr. Tabakforsch. Int., 1992, 15-2, p. 65-74., ISSN.0173-783X

    Relative positions of the thermal convection column and smoke plume generated from a smoldering cigarette

    MCRAE D.D.; JENKINS R.W. Jr.
    Philip Morris USA, Research Center, Richmond, VA, USA
    The relative positions of the thermal convection column and the smoke plume from a variety of smoldering cigarettes were measured using a combination of schlieren and visual optical systems. The schlieren technique is an optical method used to observe ...
  2. Tob. Sci., 1993, 37, p. 4-8., ISSN.0082-4623.

    Primary and secondary tillage effects on soil properties and tobacco production

    BATHKE G.R.; WORSHAM A.D.; McCANTS C.B.
    Clemson University, Dept. of Agronomy and Soils, Edisto REC, Blackville, SC, USA.
    Declining soil productivity due to unacceptable levels of soil erosion associated with conventional clean tillage methods used in tobacco production demonstrated the need to evaluate alternative practices for growing tobacco. Methods and timing of land ...