Principles and Practice of Soil Science, Fourth Editionprovides a current and comprehensive introduction to soil science for students in the fields of environmental and agricultural science, ecology, soil and land management, natural resource management and environmental engineering. O Covers all aspects of soil science including soil habitat, processes in the soil environment and soil management. O Emphasizes the applications of soil science to the solution of practical problems in soil and land management. O Highlights real world examples drawn from the authorOs international experience in the field. O Includes an expanded colour section of soil profiles and other features, and greater coverage of international soil classification O Features new problem sets and questions at the end of each chapter, designed to reinforce important principles. An answer key is provided at the end of the text.