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Agronomy Journal Abstract -

Potassium Fertilization of Intensively Manage Grasses under Humid Tropical Conditions1


This article in AJ

  1. Vol. 54 No. 5, p. 450-453
    Received: Dec 30, 1961

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  1. José Vicente-Chandler,
  2. Robert W. Pearson,
  3. Fernando Abruña and
  4. Servando Silva2



Grass yields responded strongly to yearly applications of up to 400 pounds of K per acre and at a slower rate to even higher applications. With 800 pounds of K, exchangeable soil K content was maintained and two-thirds of the applied K was recovered in the forage. At the 1600-pound rate, recovery in the forage was reduced but exchangeable soil K content was increased. K content of the forage increased with rates and with yields.

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