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This article in AJ

  1. Vol. 55 No. 3, p. 242-244
    Received: Aug 17, 1962

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Controlling Release of Fertilizer Constituents by Means of Coatings and Capsules1

  1. W. C. Dahnke,
  2. O. J. Attoe,
  3. L. E. Engelbert and
  4. M. D. Groskopp2



Placement of fertilizers in polyethylene capsules effectively controlled the rate of release of the fertilizer constituents for corn and Kentucky bluegrass in the field, but did not significantly increase yield or recovery of the constituents. In the greenhouse, significant increases in recovery of N were obtained by corn for (NH42SO4 coated with wax and pelleted, but yields were not significantly affected.

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