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This article in AJ

  1. Vol. 60 No. 6, p. 647-649
    Received: Apr 10, 1968



Agronomic Factors Affecting Polonium-210 and Lead-210 Levels in Tobacco. I. Soil and Fertilizer

  1. T. C. Tso2,
  2. G. L. Steffens2,
  3. E. S. Ferri3 and
  4. E. J. Baratta3



An examination of soils from tobacco-producing areas and fertilizers commercially available for tobacco production revealed that a wide variation in the levels of Ra220, Pb210 and Po210 exists in those samples. Cultural practices and source of fertilizer may contribute to these variations. Radioelements from fertilizer used for one growing season may not affect the level of these elements in the immediate crop, but will contribute to the buildup of the radioisotope level in the soil.

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