Attempts to derive EC50 values for heavy metals from land-applied Cu-, Ni-, and Zn-spiked sewage sludge
Speir, T.W, Van Schaik, A.P, Hunter, L.C, Ryburn, J.L, Percival, H.J
Published in Soil biology & biochemistry (01.02.2007)
Published in Soil biology & biochemistry (01.02.2007)
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Journal Article
Is soil acidification the cause of biochemical responses when soils are amended with heavy metal salts?
Speir, T.W., Kettles, H.A., Percival, H.J., Parshotam, A.
Published in Soil biology & biochemistry (01.12.1999)
Published in Soil biology & biochemistry (01.12.1999)
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Journal Article
Impact of heavy metal amended sewage sludge on forest soils as assessed by bacterial and fungal biosensors
Horswell, J, Weitz, H.J, Percival, H.J, Speir, T.W
Published in Biology and fertility of soils (01.08.2006)
Published in Biology and fertility of soils (01.08.2006)
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Journal Article
Carbon dioxide degassing effects on soil solutions collected by centrifugation
Dahlgren, R.A. (University of California, Davis, CA.), Percival, H.J, Parfitt, R.L
Published in Soil science (01.09.1997)
Published in Soil science (01.09.1997)
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Journal Article
An interactive spreadsheet for graphing mineral stability diagrams
Biddle, Dean L., Percival, Harry J., Chittleborough, David J.
Published in Computers & geosciences (01.02.1995)
Published in Computers & geosciences (01.02.1995)
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Journal Article
Sorption of copper and cadmium by allophane-humic complexes
Yuan, G., Percival, H.J., Theng, B.K.G., Parfitt, R.L.
Published in Developments in Soil Science (2002)
Published in Developments in Soil Science (2002)
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Book Chapter
Allophane and halloysite content and soil solution silicon in soils from rhyolitic volcanic material, New Zealand
Singleton, P.L, McLeod, M. (Dept. of Scientific and Industrial Research, Hamilton (New Zealand). Soil Bureau), Percival, H.J. (Dept. of Scientific and Industrial Research, Lower Hutt (New Zealand). Soil Bureau)
Published in Australian journal of soil research (1989)
Published in Australian journal of soil research (1989)
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Journal Article
effect of silicon on plant growth
Charleston, A.G, Dickson, S.C, Percival, H.J, Pretty, K.M, Roberts, O.T, Tan, T.O
Published in Ann Rep N Z Fert Manuf Res Assoc (1974)
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Published in Ann Rep N Z Fert Manuf Res Assoc (1974)
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