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This article in SSSAJ

  1. Vol. 44 No. 2, p. 255-258
    Received: June 22, 1979
    Accepted: Oct 22, 1979

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Fluorine in Agricultural Soils of Southeastern Pennsylvania1

  1. Lawrence Gilpin and
  2. Arthur H. Johnson2



Three fractions of fluorine were measured in a variety of Pennsylvania soils using a fluoride electrode. Mean total, soluble and resin-extractable F values for 55 samples were 377±27, 0.38±0.5 and 21.7±1.6 ppm, respectively, in a variety of soils typical of the Piedmont and Triassic Lowlands of southeastern Pennsylvania. Each of the F fractions was related to soil pH. Selected soils were leached with a standard F solution and found to retain substantial amounts of F.

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