Contents Volume 121, 2004

Publisher’s note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v

Research papers

Characterization of model soil colloids by cryo-scanning electron microscopy

M. Negre, P. Leone, J. Trichet, C. Defarge, V. Boero and M. Gennari . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Microbiological resilience of soils contaminated with crude oil

I. Franco, M. Contin, G. Bragato and M. De Nobili . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Trace element geochemistry in Brazilian Cerrado soilsJ.J. Marques, D.G. Schulze, N. Curi and S.A. Mertzman . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Frequent fires intensify soil crusting: physicochemical feedback in the pedoderm of long-term burn experiments in South

Africa

A.J. Mills and M.V. Fey. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45Characterization of spatial soil variability and its effect on Millet yield on Sudano-Sahelian coversands in SW Niger

R.L. Voortman, J. Brouwer and P.J. Albersen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

A comparative micromorphological and chemical study of ‘‘Raseneisenstein’’ (bog iron ore) and ‘‘Ortstein’’

D. Kaczorek, M. Sommer, I. Andruschkewitsch, L. Oktaba, Z. Czerwinski and K. Stahr . . . . . . . . . . . . . . . . . . . . . . . 83Visible–NIR reflectance: a new approach on soil evaluation

J.A.M. Dematte, R.C. Campos, M.C. Alves, P.R. Fiorio and M.R. Nanni . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Plagganthrepts in northwest Russia? Genesis, properties and classificationL. Giani, O. Chertov, C. Gebhardt, O. Kalinina, M. Nadporozhskaya and E. Tolkdorf-Lienemann . . . . . . . . . . . . . . . . 113

Modelling soil surface charge density using mineral composition

C. Taubaso, M. Dos Santos Afonso and R.M. Torres Sanchez . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Long-term effects of amendment with municipal solid waste compost on the elemental and acidic functional groupcomposition and pH-buffer capacity of soil humic acids

J.C. Garcıa-Gil, S.B. Ceppi, M.I. Velasco, A. Polo and N. Senesi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Epi-fluorescence micromorphology of saprolite reveals evidence for colloid retention in microscale pore systems

S.G. Driese and L.D. McKay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Book reviews . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Review article

Wind erosion from cropland in the USA: a review of problems, solutions and prospects

K.F. Nordstrom, S. Hotta . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Research papers

Soil development on dolerite and its implications for landscape history in southeastern Tasmania

R. Osok, R. Doyle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169Relationships between surface soil organic carbon pool and site variables

Z.X. Tan, R. Lal, N.E. Smeck, F.G. Calhoun . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Effective porosity of paddy soils as an estimation of its saturated hydraulic conductivity

W. Aimrun, M.S.M. Amin, S.M. Eltaib . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197Forms of eroded soil organic carbon in andosols of the Canary Islands (Spain)

A. Rodrıguez Rodrıguez, A. Guerra, C. Arbelo, J.L. Mora, S.P. Gorrın, C. Armas . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Pollution by hexachlorobenzene and pentachlorophenol in the coastal plain of Sao Paulo state, Brazil

N.R.d. Nascimento, S.M.C. Nicola, M.O.O. Rezende, T.A. Oliveira, G. Oberg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

www.elsevier.com/locate/geoderma

Geoderma 121 (2004) 325–326

Mode of gypsum deposition in southeastern Iranian soils as revealed by isotopic composition of crystallization waterM.H. Farpoor, H. Khademi, M.K. Eghbal, H.R. Krouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

Fuzzy land element classification from DTMs based on geometry and terrain position

J. Schmidt, A. Hewitt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

Origin and behaviour of heavy metals in agricultural Calcaric Fluvisols in semiarid conditionsJ. Vidal, C. Perez-Sirvent, M.J. Martınez-Sanchez, M.C. Navarro. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Organic inputs and farmers’ management strategies in millet fields of western Niger

E. Schlecht, A. Buerkert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271Inorganic and organic N pools in soils burned or heated: immediate alterations and evolution after forest wildfires

A. Prieto-Fernandez, M. Carballas, T. Carballas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 291

Bypass flow, salinization and sodication in a cracking clay soil

G. Crescimanno, A. De Santis. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307

Book review. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323

Contents Volume 121, 2004 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325

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