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E. O. McLean and M. E. Watson, “Soil Measurements of Plant-Available Potassium,” In: R. D. Munson, Ed., Potassium in Agriculture, Soil Science Society of America, Madison, 1985, pp. 227-308.

has been cited by the following article:

• TITLE: Analysis of Macro and Micronutrients in Soils from Palestine Using Ion Exchange Membrane Technology

  AUTHORS: Zaher Barghouthi, Sameer Amereih, Basel Natsheh, Mazen Salman

  KEYWORDS: Ion Exchange Membrane; Available Ions; Soil; Nutrients; Palestine

  JOURNAL NAME: Open Journal of Soil Science, Vol.2 No.1, March 28, 2012

  ABSTRACT: Ion Exchange membrane technology (IEM) is a method that allowed a single extraction process and a single subsequent measurement of different elements that are available in soil. The values of the available forms of the different macro- and micronutrients obtained by IEM extraction were compared with the values of the soluble form obtained by conventional extraction methods. In surface soil sample, the concentrations of available potassium, nitrate, phosphate, iron and boron were 37.7 mg kg–1, 17.5 mg kg–1, 3.6 mg kg–1, 171.0 μg kg–1, and 4.2 μg kg–1 respectively were greater than that of soluble forms of the same elements which were 7.0 mg kg–1, 9.2 mg kg–1, 0.4 mg kg–1, 109.0 μg kg–1, and 1.9 μg kg–1 respectively.