Phosphorus Concentrations in Sequentially Fractionated Soil Samples as Affected by Digestion Methods

Carlos A C do Nascimento1, Paulo H Pagliari2, Djalma Schmitt3

  • 1Department of Soil Science, Luiz de Queiroz College of Agriculture, University of Sao Paulo, Av. Padua Dias, 11, Piracicaba SP, 13418-900, Brazil.

Scientific Reports
|December 10, 2015
PubMed
Summary

Sample preparation significantly impacts total phosphorus (TP) measurements in soil. ICP-OES analysis of undigested extracts offers the most precise TP determination for sequential soil extractions.