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This article in AJ

  1. Vol. 55 No. 2, p. 161-164

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Response of Orchardgrass to Potassium and Nitrogen Fertilization on a Wickham Silt Loam1

  1. C. B. Kresge and
  2. S. E. Younts2



Annual application of 200 pounds of N and 83 pounds of K per acre resulted in the highest orchardgrass yields and best recovery of N, P, and K by the plant. The K level in the plant at which yields fell below the maximum was positively related to the rate of N applied.

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