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Revisiting the fundamentals of phosphorus fractionation of sediments and soils
Authors:Leo M Condron  Susan Newman
Institution:(1) Agriculture and Life Sciences, Lincoln University, PO Box 84, Lincoln, 7647 Christchurch, New Zealand;(2) Marsh Ecology Research Group, Everglades Division, South Florida Water Management District, PO Box 24680, West Palm Beach, FL 33416–4680, USA
Abstract:

Introduction  

Sequential fractionation procedures have been an important tool in the study of phosphorus (P) dynamics in soils and sediments for over 50 years. Throughout this period, the various methodologies have been thoroughly reviewed, and several limitations are widely acknowledged, but there are also aspects of P fractionation that have received little or no discussion. As there are few alternatives to fractionation procedures, in order to advance the usefulness of these techniques, we need to explore the undisclosed variables that may falsely bias our interpretation.
Keywords:
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