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Agronomy Journal Abstract -

Water, Harvest Interval, and Applied Nitrogen Effects on Forage Yield of Bermudagrass and Bahiagrass


This article in AJ

  1. Vol. 82 No. 5, p. 1011-1016
    Received: Oct 23, 1989

    * Corresponding author(s):
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  1. A. R. Overman *,
  2. C. R. Neff,
  3. S. R. Wilkinson and
  4. F. G. Martin
  1. U SDA-ARS Southern Piedmont Conserv. Res. Center, Watkinsville, GA 30677
    S tatistics Dep., Univ. of Florida, Gainesville, FL 32611



A logistic equation was used to relate forage yield to applied N for bermudagrass [Cynodon dactylon (L.) Pers.] and bahiagrass [Paspalum notatum Flugge]. It was shown that the equation could be factored into a triple product-one term each for water availability, harvest interval and applied N. The equation provides high correlation (R ≥ 0.98) between yield and applied N for all levels of water availability and harvest interval. Appropriate statistical procedures for nonlinear regression were utilized in the analysis. These results are useful for estimating effects of management factors on forage production.

Florida Agric. Exp. Stn. Journal Article no. 9883.

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