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This article in SSSAJ

  1. Vol. 20 No. 4, p. 544-547
     
    Received: Nov 2, 1954


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doi:10.2136/sssaj1956.03615995002000040023x

Effect of Lime Application on Nutrient Uptake by Alfalfa1

  1. F. C. Thorp and
  2. J. A. Hobbs2

Abstract

Abstract

A greenhouse study was conducted at Kansas State College on some acid soils from the south-central part of Kansas to determine the effect of lime application on the composition of alfalfa plants. Samples of surface soil, which ranged in reaction from pH 5.0 to 5.8, were limed to pH 6.3, 6.6, and 6.9. Yields of alfalfa were obtained, and the plant material analyzed for calcium, magnesium, phosphorus, and potassium.

Lime applications significantly increased the calcium percentage in the plants. Total uptake of calcium by alfalfa was increased also by lime applications. No significant differences in percentage of magnesium or total magnesium uptake resulted from liming. Applications of lime had no apparent effect on the phosphorus percentage of the plant, but the uptake of phosphorus was greater from the limied than from the unlimed soils. Potash uptake was also increased by lime applications.

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