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Phosphorus adsorption of kaolinite and montmorillonite: II. Organic anion competition

  • U. Kafkafi*
  • , B. Bar-Yosef
  • , Rivka Rosenberg
  • , G. Sposito
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

103 Scopus citations

Abstract

This study was undertaken to investigate the competition of several agents, reported as root exudates, with P on adsorption sites on kaolinite and montmorillonite. The agents studied were acetate, bicarbonate, citrate and oxalate, and the amino acids phenylalanine and alpha-amino isobutyric acid. The adsorption or desorption of P on the clays in the presence of the noted agents at various fixed pHs and known ionic strength, and the effect of slurry density on P adsorption, were determined, and results are reported.

Original languageEnglish
Pages (from-to)1585-1589
Number of pages5
JournalSoil Science Society of America Journal
Volume52
Issue number6
DOIs
StatePublished - 1988
Externally publishedYes

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