Chemistry of soils with mixtures of pH-dependent and permanent charge minerals; Comparison of analytical data from four soil laboratories on three soils of the Kindaruma area in Kenya; The chemistry and physics of low activity clays; Importance of mineral constituents in pedology; Characteristics and processes of ferralitic soils; Report on the Brazil meeting of the Committee on the Classification of Alfisols and Ultisols with Low Activity Clays; Report on a "state-of-the-art" (SOTA) study on Soil Taxonomy in the tropics; Report on the micromorphology of selected Brazilian pedons; Correlation of selected data for some Brazilian soils provided by Brazil and SCS-USDA laboratories; Calculated cation exchange capacities for some Brazilian soils.bitstream/item/212099/1/First-International-Soil-Classification-Workshop-1977.pdfEdited by M. N. Camargo, F. H. Beinroth
