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This article in AJ

  1. Vol. 50 No. 7, p. 366-369
    Received: Mar 26, 1957

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Availability of Soil Phosphorus as Determined by Several Chemical Methods1

  1. D. J. Lathwell,
  2. N. Sanchez,
  3. D. J. Lisk and
  4. M. Peech2



Methods employing an anion-exchange resin were found to predict with a high degree of accuracy the phosphorus needs of soils as determined by crop responses to applications of phosphatic fertilizer.

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