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Phosphate sorption isotherms for some Sierra Leone soils

โœ Scribed by Edward R. Rhodes


Publisher
John Wiley and Sons
Year
1975
Tongue
English
Weight
364 KB
Volume
26
Category
Article
ISSN
0022-5142

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โœฆ Synopsis


Abstract

Phosphate sorption isotherms were obtained for three acid highly weathered soils of Sierra Leone, by equilibrating air dry samples for 24 h with 0.01 ~M~ KH~2~PO~4~ solution at 25 ยฐC. The Langmuir and Temkin equations were used to evaluate the sorption capacities for phosphate. Phosphate sorption maxima of 2439, 2137 and 1429 mg/kg soil and x/log c of 774, 718 and 610 were calculated; where x=phosphate sorbed (mg/kg soil) and c=equilibrium phosphate concentration (ฮผmol dm^โˆ’3^). Qualitative relationships between these sorption parameters and other soil variables are shown.


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