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This article in SSSAJ

  1. Vol. 35 No. 4, p. 540-542
    Received: Nov 6, 1970
    Accepted: Feb 19, 1971

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Effect of Liming on the Soil Test Level of Phosphorous as Determined By Three Methods1

  1. G. F. Griffin2



Changes in extractable P resulting from additions of Ca(OH)2 to samples of 13 acid Connecticut soils varied with soil type and soil extractant. The average pH increase from 5.3 to 7.7 resulted in the following average changes in extractable P: modified Morgan, +123%; North Carolina, +27%; Bray no. 1, −23%. Changes in Bray no. 1 extractable P were affected less by soil differences than changes in P extracted by the other two methods.

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