The slow reactions between soil and anions: 7. Effect of time and temperature of contact between an adsorbing soil and sulfate

N. J. Barrow, T. C. Shaw

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

Sulfate solutions were mixed with a soil that had a high capacity to adsorb sulfate, and three techniques were used to see whether the strength of the link between sulfate and the soil particles increased with time. The techniques were measurements: Of the change in sulfate concentration in the soil solution; of the change in availability to plants; and of desorption of sulfate. All three techniques showed that there were, indeed, slow changes. These were similar to, but much slower than, those observed for phosphate, molybdate, and fluoride. This suggests that such behavior is a characteristic of specifically adsorbed anions, not just of phosphate.

Original languageEnglish
Pages (from-to)347-354
Number of pages8
JournalSoil Science
Volume124
Issue number6
DOIs
Publication statusPublished - 1 Jan 1977
Externally publishedYes

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