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University of Kentucky Master's Theses

Theses/Dissertations

2008

Phosphorus|Inositol Hexakisphosphate|Hydroxy-interlayered Vermiculite|Hydroxy-interlayered Smectite|Eutrophication

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Inorganic And Organic Phosphorus Interactions With Hydroxy-Interlayered Soil Minerals, Paul D. Shumaker Ii Jan 2008

Inorganic And Organic Phosphorus Interactions With Hydroxy-Interlayered Soil Minerals, Paul D. Shumaker Ii

University of Kentucky Master's Theses

Phosphorus (P), a necessary plant and animal nutrient, can also lead to eutrophication of fresh waters when in excess. Appropriate P management is necessary to prevent fresh water pollution. Mineralogy of soil clays has been shown to affect P adsorption, desorption, and movement through soils. Specifically, hydroxy-interlayered minerals have been shown to adsorb and retain inorganic P in soil systems. This study was designed to determine the sorption and desorption characteristics of inorganic, organic, and mixed forms of P interacting with soil hydroxy-interlayered vermiculites (HIV) and smectites (HIS), and compare the findings to sorption and desorption processes of natural aluminum …