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This article in AJ

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


    * Corresponding author(s):
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doi:10.2134/agronj1990.00021962008200050034x

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

  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

Abstract

Abstract

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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