Potassium‐Selective, Halloysite‐Rich Soils Formed in Volcanic Materials from Northern California

Several subsoil horizons of Andic Haploxeralfs, formed in volcanic ejecta under a xeric moisture regime in northern California, retain large amounts of exchangeable K+ and show high K+ saturation. The relationships between clay mineralogy, mineral charge characteristics, and exchangeable K+–Ca2+ sel...

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Veröffentlicht in:	Soil Science Society of America journal 2001-03, Vol.65 (2), p.516-526
Hauptverfasser:	Takahashi, T., Dahlgren, R.A., Theng, B.K.G., Whitton, J.S., Soma, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Earth sciences Earth, ocean, space Exact sciences and technology Geochemistry Mineralogy Minerals Potassium Soil and rock geochemistry Soils Subsoils Surficial geology Volcanoes
Online-Zugang:	Volltext
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