A comparison of methods to determine total, organic, and available phosphorus in forest soils
- 1 May 1997
- journal article
- research article
- Published by Informa UK Limited in Communications in Soil Science and Plant Analysis
- Vol. 28 (9-10), 651-663
- https://doi.org/10.1080/00103629709369818
Abstract
Several methods for the determination of soil phosphorus (P) in acidic forest soils were examined. The Parkinson and Allen digestion method removed more total P than did the ignition method, especially with mineral soils. There were problems with both the Saunders and Williams ignition method and the Bowman and Moir extraction protocol for organic P determination. The problems were more pronounced when used on organic soil samples The Bray P1 was better than the Mehlich 3 method for measuring available P in mineral soils.Keywords
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