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This article in AJ

  1. Vol. 56 No. 1, p. 67-70
    Received: May 29, 1963

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A Preliminary Study on the Nature of a Zinc Deficiency in Field Beans a1s Determined by Radioactive Zinc1

  1. E. Dale DeRemer and
  2. R. L. Smith2



A zinc deficiency was found to be caused by inactivation of soil zinc by decomposing organic matter. Zinc was found to increase in the acid extractable and H202 extractable fractions of the soil and to decrease in the water extractable and exchangeable portions as length of incubation time of the added organic material and soil increased from 6 to 12 weeks.

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