Orthophosphate and phytate extraction from soil components by common soil phosphorus tests

Chemically extractable phosphorus (P) is widely used for environmental risk assessment, because of its strong relationship with P loss through surface runoff and/or subsurface leaching. We used five common soil test extractants, water, 0.01M CaCl2, Mehlich I, Mehlich III and acidified ammonium oxala...

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Veröffentlicht in:	Geoderma 2013-11, Vol.209-210, p.22-30
Hauptverfasser:	Shang, C., Zelazny, L.W., Berry, D.F., Maguire, R.O.
Format:	Artikel
Sprache:	eng
Schlagworte:	adsorption Aluminum base alloys ammonium oxalate Argon oxygen decarburizing calcium chloride Degree of phosphorus saturation Extraction gibbsite goethite Kaolinite leaching Minerals montmorillonite myo-inositol orthophosphates Phosphorus Phosphorus-loaded minerals Phytate phytic acid prediction risk assessment runoff Saturation soil Soil (material) Soil testing phosphorus
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