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This article in AJ

  1. Vol. 54 No. 5, p. 425-427
    Received: Sept 12, 1961

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Soybean Chlorosis from Heavy Fertilization1

  1. J. B. Weber and
  2. A. C. Caldwell2



Heavy applications of concentrated superphosphate alone and in combination with KC1 resulted in chlorotic plants. There was evidence that K was limiting on plants receiving high rates of P and that Mn was limiting on plants receiving high rates of both P and K. Applications of Mn chelates gave a slight increase in yield on plots that received high rates of P and K and a large decrease on plots that received P only.

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