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Science 11 November 1977:
Vol. 198. no. 4317, pp. 603 - 605
DOI: 10.1126/science.198.4317.603-a
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Articles

Direct Evidence of Particle Migration in the Soil Solution of a Podzol

F. C. UGOLINI 1, H. DAWSON 1, and J. ZACHARA 1

1 College of Forest Resources, University of Washington, Seattle 98195

Particles were isolated from soil leachates from the genetic horizons of a subalpine Podzol from the central Cascades, Washington. Organic particles containing traces of aluminum, iron, silicon, and sulfur were predominant in the migrant material through the upper horizons (horizons A + B); their movement was arrested in the B2hir horizon. Below B2hir and at depth, phyllosilicates, quartz, and silicate minerals were the predominant suspended materials. Elements of the podzolic mechanism and the duality of the B2hir horizon are shown.

Submitted on March 17, 1977
Revised on June 16, 1977


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