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Agronomy Journal Abstract -

Vertical Distribution of Topdressed Fertilizer Phosphorus and Potassium in Relation to Yield and Composition of Pasture Herbage1


This article in AJ

  1. Vol. 51 No. 11, p. 645-648

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  1. E. C. Doll,
  2. A. L. Hatfield and
  3. J. R. Todd



Yield of grass-legume pasture for 2 years was increased by fertilization with P but not with K. Large amounts of nonexchangeable K were released when crop removal of K exceeded rate of application, but only relatively small amounts of applied K were fixed even when rate of application exceeded crop removal. No movement of P was detected below 3 inches, and no movement of K below 6 inches.

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