This book focusses on theoretical and practical processes of carrying out the characterisation of the morphological, physio-chemical and mineralogical properties of soils for the purposes of understanding the theory and practice of undertaking soil resource inventories and soil surveys. It also includes the taxonomic and technical classification of such soils for agronomic, urban and industrial land use planning activities in Nigeria. Ivara Ejemot Esu is Professor of Soil Science at the University of Calabar, Cross River State, Nigeria.