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This article in AJ

  1. Vol. 55 No. 5, p. 435-439
    Received: Jan 28, 1963



Effect of Limimg and Potassium Fertilization on the Yield and Composition of an Alfalfa-Orchardgrass Association1

  1. L. B. MacLeod and
  2. Richard Bradfield2



Liming increased the dry matter yields of oats and of an alfalfa-orchardgrass mixture. Response to K increased with increased base saturation of the soil, and survival of alfalfa plants on soil limed to pH 5.5 or higher was largely dependent on K supply. Alfalfa was the dominant species where there was sufficient K for both components and orchardgrass dominated where K was limited. Total available carbohydrates in the storage organs of each species increased with K fertilization.

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