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Abstract

 

This article in AJ

  1. Vol. 51 No. 7, p. 418-421
     
    Received: Nov 15, 1958


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doi:10.2134/agronj1959.00021962005100070016x

Influence of Exchangeable K and Na in the Soil on Growth and Chemical Composition of Lovell Peach Seedlings and Other Crops1

  1. J. P. Martin,
  2. W. W. Jones and
  3. J. O. Ervin2

Synopsis

Synopsis

In Yolo loam and Hanford sandy loam, peach seedlings, onions, carrots, radishes, vetch, and alfalfa tolerated exchangeable K levels equal to 22% or more of exchange capacity. Thirty-six percent K reduced growth or caused leaf injury of all species except vetch and alfalfa. Peach seedlings were relatively sensitive and vetch relatively tolerant to high exchangeable Na. About 47% leaf R and trace percentages of Na reduced peach seedling growth.

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