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This article in AJ

  1. Vol. 50 No. 5, p. 237-240
    Received: Aug 31, 1957

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Minor Element Content of Eight Kentucky Soils and Lespedeza1

  1. William A. Seay and
  2. L. E. DeMumbrum2



Average ppm. of available minor elements in soils were 0.2 of Co, 1.7 of Zn, 0.8 of Cu, 25 of Mn and 0.8 of Ni; total ppm. in the Korean lespedeza: 0.6 of Co, 10.5 of Zn, 10 of Cu, 350 of Mn and 2.5 of Ni. Liming decreased availability of these five elements and available minor elements varied noticeably among soil types. Adding “major” nutrient fertilizers may in time decrease the available minor element content of soils because of removal in larger crop yields; available minor elements in soil may vary considerably with season.

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