01057nam a2200157 a 450000100080000000500110000800800410001910000740006024500190013426000400015330000110019350000230020452006440022765000190087165000090089013189182020-08-05       1978    bl uuuu      00u1 u    #d1 aINTERNATIONAL SOIL CLASSIFICATION WORKSHOP, 1., 1977, Rio de Janeiro.  aProceedigns...  aRio de Janeiro: EMBRAPA-SNLCSc1978  a376 p.  a%% 80.00117 - ex.2  a\tChemistry of soils with mixtures of ph-dependent and permanet 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 ccoanstituents 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) sutdy on soil taxonomy in the tropics. Soils studies in the field tour - pedologic, analytical and micromorphological data and general information.  aclassification  aSolo