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This article in AJ

  1. Vol. 57 No. 2, p. 147-149
    Received: Apr 18, 1964

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Effect of Nitrogen and Potassium Fertilization, Stubble Height, and Clipping Frequency on Yield and Persistence of Orchardgrass1

  1. William K. Griffith and
  2. Merle R. Teel2



Nitrogen was a major factor influencing yields the year of treatment. Close clipping reduced the stand of nitrogen-fertilized orchardgrass. Potassium effects were most striking for the longer growing periods during the year of treatment. Potassium carry-over effects were highly significant for all growing periods.

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