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This article in AJ

  1. Vol. 58 No. 2, p. 145-146
     
    Received: May 24, 1965


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doi:10.2134/agronj1966.00021962005800020005x

Regrowth Potential of Coastal Bermudagrass as Related to Previous Nitrogen Fertilization1

  1. Anthony A. Adegbola and
  2. Cyrus M. McKell2

Abstract

Abstract

This study evaluated the regrowth potential of Coastal bermudagrass differentially fertilized during a previous season with 0, 250, 500, 750, 1000, and 1250 pounds N per acre in 5 equal increments, respectively. Six-inch diameter dormant sod plugs were taken from each plot, potted, and placed in a dark chamber. Leaf growth was measured in weight of dry matter produced per sod plug. Carbohydrate reserves in stubble and rhizomes were determined by chemical analysis.

Regrowth after 6 weeks was closely related to the content of carbohydrate reserve present in the stubble and rhizome. Overall regrowth (18 weeks) mainly reflected the result of the first 6-week growth period and suggested that 6 weeks were adequate for this test. Sod plugs from plots fertilized at 500 pounds N per acre made the best regrowth. Least regrowth was made by sod plugs from plots fertilized at 750 pounds N per acre.

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