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This article in AJ

  1. Vol. 55 No. 5, p. 495-499
     
    Received: Mar 20, 1963
    Published: Sept, 1963


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doi:10.2134/agronj1963.00021962005500050026x

Factors Affecting the Rate of Release of Fertilizer from Capsules1

  1. I. U. Ahmed,
  2. O. J. Attoe,
  3. L. E. Engelbert and
  4. R. B. Corey2

Synopsis

Synopsis

Capsulation of fertilizer with polyethylene film gave significant increases in yield of corn and recovery of N and P. Rate of release of fertilizer from capsules was directly related to temperature, number of pinholes per capsule, and vapor pressure lowering of water by the fertilizer, but, generally, was independent of the presence b f the crop and of soil texture, soil moisture between 25 and 100% field moisture capacity, and leaching of the soil.

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