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This article in AJ

  1. Vol. 61 No. 3, p. 473-474
    Received: Sept 13, 1968

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Use of a Concurrent Mitscherlich Model in Fertilizer Evaluation1

  1. O. P. Engelstad and
  2. F. E. Khasawneh2



A concurrent Mitscherlich model that can be fitted to a family of response curves via a multiple regression program is shown to be suitable for evaluation of fertilizers. This model provides for a common limiting yield and a common intercept, can be fitted by standard regression programs, and the coefficients obtained are compared readily by statistical tests.

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