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This article in SSSAJ

  1. Vol. 20 No. 4, p. 547-551
     
    Received: Nov 26, 1954
    Published: Oct, 1956


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doi:10.2136/sssaj1956.03615995002000040024x

Chlorine and Other Constituents in Relation to Tobacco Leaf-Burn1

  1. D. L. Myhre,
  2. O. J. Attoe and
  3. W. B. Ogden2

Abstract

Abstract

A study was made to evaluate the influence of chlorine and other constituents on tobacco leaf-burn (capacity to hold fire when ignited). Samples of tobacco plants and soil at different depths were taken from 33 fields located in the 2 tobacco growing districts in Wisconsin in 1952, and the data concerning chemical composition and leaf-burn were subjected to statistical analyses. The amount of chlorine taken up by the crops was most closely correlated (r = 0.79) with that found in the 0 to 12-inch layer of soil. On the average, about ½ of the chlorine found in this layer was taken up by the crops. A highly significant coefficient of multiple correlation, R = 0.80, was found for the relation between log leaf-burn and the contents of chlorine, sulfur, nitrogen, and potassium of the tobacco leaves. A comparison of the standard coefficients indicated that potassium is about 1.2 times more beneficial to leaf-burn than either chlorine or nitrogen is detrimental, and about 2.4 times as beneficial as sulfur is deterimental.

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