An inter-laboratory comparison of gaseous and liquid fumigation based methods for measuring microbial phosphorus (Pmic) in forest soils with differing P stocks

Fabian Bergkemper, Else K. Bünemann, Simon Hauenstein, Christine Heuck, Ellen Kandeler, Jaane Krüger, Sven Marhan, Éva Mészáros, Dinah Nassal, Pascal Nassal, Yvonne Oelmann, Chiara Pistocchi, Michael Schloter, Marie Spohn, Ulrike Talkner, Dan P. Zederer, Stefanie Schulz

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

In an inter-laboratory trial, gaseous (“CFE”) and liquid fumigation (“Resin”) based methods for measuring microbial phosphorus (Pmic) were compared, based on the analysis of soil samples from five forests, which differ in their P stocks. Both methods reliably detected the same Pmic gradient in the different soils. However, when the individual recovery rates of spiked P were taken into account, the “CFE” based methods consistently generated higher Pmic values (factor 2) compared to the “Resin” based approaches.

Original languageEnglish
Pages (from-to)66-68
Number of pages3
JournalJournal of Microbiological Methods
Volume128
DOIs
StatePublished - 1 Sep 2016
Externally publishedYes

Keywords

  • Forest soils
  • Gaseous fumigation
  • Liquid fumigation
  • Microbial biomass
  • Microbial phosphorus

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