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This article in AJ

  1. Vol. 55 No. 1, p. 63-67
    Received: Apr 21, 1962

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Yield Response Surfaces, Isoquants, and Economic Fertilizer Optima for Coastal Bermudagrass1

  1. L. F. Welch,
  2. W. E. Adams and
  3. J. L. Carmon2



Yield data from a 4 by 4 by 4 NPK factorial experiment with Coastal bermudagrass on Cecil soil are used to obtain a yield equation by multiple regression. The yield equation is then used in calculations for response surfaces, isoquants, and economic fertilizer optima.

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