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Agronomy Journal Abstract -

Effect of Fertilization on Carrying Capacity and Beef Produced by Napiergrass Pastures1


This article in AJ

  1. Vol. 53 No. 3, p. 204-205
    Received: Aug 26, 1960

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  1. Rubén Caro-Costas and
  2. José Vicente-Chandler2



Increasing fertilization of steep napiergrass pastures in the humid mountains of Puerto Rico from 600 to 1,800 pounds per acre yearly caused increases (pounds per acre yearly): Of gains in live weight of cattle from 570 to 1,072, of dry forage consumed by cattle from 8,890 to 13,350, and of total digestible nutrients from 4,160 to 7,190. Carrying capacity increased from .95 to 1.64 standard beef cows per acre and protein content of the forage consumed from 8.1 to 15.9%. Increasing fertilization rates to 3,000 pounds did not further increase productivity of the pastures.

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