Effects of clay amendment on adsorption and desorption of copper in water repellent soils

Xiong, Xian-zhe, Stagnitti, Frank, Allinson, Graeme, Turoczy, Nick, Li, Peijun, Leblanc, Marc, Cann, M., Doerr, S., Steenhuis, Tammo, Parlange, J., de Rooij, Gerrit, Ritsema, Coen and Dekker, L. 2005, Effects of clay amendment on adsorption and desorption of copper in water repellent soils, Australian journal of soil research, vol. 43, no. 3, pp. 397-402.

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Title Effects of clay amendment on adsorption and desorption of copper in water repellent soils
Author(s) Xiong, Xian-zhe
Stagnitti, Frank
Allinson, Graeme
Turoczy, Nick
Li, Peijun
Leblanc, Marc
Cann, M.
Doerr, S.
Steenhuis, Tammo
Parlange, J.
de Rooij, Gerrit
Ritsema, Coen
Dekker, L.
Journal name Australian journal of soil research
Volume number 43
Issue number 3
Start page 397
End page 402
Publisher CSIRO Publishing
Place of publication Melbourne, Vic.
Publication date 2005-05
ISSN 0004-9573
1446-568X
Keyword(s) copper
sorption
desorption
water repellent soils
clay amendment
Summary Copper is an important micronutrient and trace amounts are essential for crop growth. However, high concentrations of copper will produce toxic effects. Australia is increasingly developing production of crops in water repellent soils. Clay amendment, a common amelioration techniques used in Australia, has demonstrated agronomic benefits in increased crop or pasture production. The sorption and desorption of copper and the effect of clay treatment on copper behaviour in a water repellent soil collected from an experimental farm in South Australia is studied. We found that the water repellent soils amended with clay have an increased adsorption capacity of copper. Also the clay-amended soils had an increased ratio of specific sorption to total sorption of copper. The implications of this study to the sustainable agro-environmental management of water repellent soils is discussed.
Language eng
Field of Research 050302 Land Capability and Soil Degradation
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2005, CSIRO
Persistent URL http://hdl.handle.net/10536/DRO/DU:30008806

Document type: Journal Article
Collection: School of Ecology and Environment
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