Rampazzo N, Schwertmann U, Blum WEH, Mentler A
Effect of soil acidification on the formation of Fe-, Al-, and Mn-oxides and the stability of soil aggregates
International Agrophysics
1999
13
283-293

Rehfuess KE
Indicators of forest soil fertility - temporal changes and anthropogenic impact
Forstwissenschaftliches Centralblatt
1999
118 (2)
May
88-96

Rodionov A, Amelung W, Urusevskaja I, Zech W
Climatic effect on lignin and polysaccharides in particle-size fractions of zonal steppe soils, Russia
Journal of Plant Nutrition and Soil Science-Zeitschrift für Pflanzenernährung und Bodenkunde
1999
162 (2)
Apr
231-238

Rumpel C, Kögel-Knabner I, Huttl RF
Organic matter composition and degree of humification in lignite-rich mine soils under a chronosequence of pine
Plant and Soil
1999
213 (1-2)
161-168

Saggar S, McIntosh PD, Hedley CB, Knicker H
Changes in soil microbial biomass, metabolic quotient, and organic matter turnover under Hieracium (H-pilosella L.)
Biology and Fertility of Soils
1999
30 (3)
Dec
232-238

Scheinost AC, Schulze DG, Schwertmann U
Diffuse reflectance spectra of Al substituted goethite: A ligand field approach
Clays and Clay Minerals
1999
47 (2)
Apr
156-164

Scheinost AC, Schwertmann U
Color identification of iron oxides and hydroxysulfates: Use and limitations
Soil Science Society of America Journal
1999
63 (5)
1463-1471 SEP-OCT

Schmidt MWI, Knicker H, Kögel-Knabner I
Stabilization of soil organic matter in organo-mineral complexes studied in particle size fractions
Abstracts of Papers of the American Chemical Society
1999
217
053-GEOC Part 1 MAR 21

Schmidt MWI, Rumpel C, Kögel-Knabner I
Evaluation of an ultrasonic dispersion procedure to isolate primary organomineral complexes from soils
European Journal of Soil Science
1999
50 (1)
Mar
87-94

Schmidt MWI, Rumpel C, Kögel-Knabner I
Particle size fractionation of soil containing coal and combusted particles
European Journal of Soil Science
1999
50 (3)
Sep
515-522