PRINCIPLES AND PRACTICE OF SOIL SCIENCE
PART 1 THE SOIL HABITAT INTRODUCTION TO THE SOIL, 1 1 SOIL IN THE MAKING, 1 2 CONCEPTS OF SOIL, 1 3 COMPONENTS OF THE SOIL, 1 4 SUMMARY, THE MINERAL COMPONENT OF THE SOIL, 2 1 THE SIZE RANGE, 2 2 THE IMPORTANCE OF SOIL TEXTURE, 2 3 MINERALOGY OF THE SAND AND SILT FRACTIONS, 2 4 MINERALOGY OF THE CLAY FRACTION, 2 5 SURFACE AREA AND SURFACE CHARGE, 2 6 SUMMARY, SOIL ORGANISMS AND ORGANIC MATTER, 3 1 ORIGIN OF SOIL ORGANIC MATTER, 3 2 SOIL ORGANISMS, 3 3 CHANGES IN PLANT REMAINS DUE TO THE ACTIVITIES OF SOIL ORGANISMS, 3 4 PROPERTIES OF SOIL ORGANIC MATTER, 3 5 FACTORS AFFECTING THE RATE OF ORGANIC MATTER DECOMPOSITION, 3 6 SUMMARY, PEDS AND PORES, 4 1 SOIL STRUCTURE, 4 2 LEVELS OF STRUCTURAL ORGANIZATION, 4 3 SOIL MICROMORPHOLOGY, 4 4 THE CREATION AND STABILIZATION OF SOIL STRUCTURE, 4 5 SOIL POROSITY, 4 6 SUMMARY, PART PROCESSES IN THE SOIL ENVIRONMENT SOIL FORMATION, 5 1 THE SOIL-FORMING FACTORS, 5 2 PARENT MATERIAL, 5 3 CLIMATE, 5 4 ORGANISMS, 5 5 RELIEF, 5 6 TIME, 5 7 SUMMARY, HYDROLOGY, SOIL WATER AND TEMPERATURE, 6 1 THE HYDROLOGIC CYCLE, 6 2 PROPERTIES OF SOIL WATER, 6 3 IN?LTRATION, RUNOFF AND REDISTRIBUTION OF SOIL WATER, 6 4 SOIL WATER RETENTION RELATIONSHIP, 6 5 EVAPORATION, 6 6 SOIL TEMPERATURE, 6 7 SUMMARY, REACTIONS AT SURFACES, 7 1 CHARGES ON SOIL PARTICLES, 7 2 CATION EXCHANGE, 7 3 ANION ADSORPTION AND EXCHANGE, 7 4 PARTICLE INTERACTION AND SWELLING, CONTENTS 11 5 SOIL EROSION, 11 6 SUMMARY, FERTILIZERS AND PESTICIDES, 12 1 SOME DE?NITIONS, 12 2 NITROGEN FERTILIZERS, 12 3 PHOSPHATE FERTILIZERS, 12 4 OTHER FERTILIZERS INCLUDING MICRONUTRIENT FERTILIZERS, 12 5 PLANT PROTECTION CHEMICALS IN SOIL, 12 6 SUMMARY, PROBLEM SOILS, 13 1 A BROAD PERSPECTIVE, 13 2 WATER MANAGEMENT FOR SALINITY CONTROL, 13 3 MANAGEMENT AND RECLAMATION OF SALT-AFFECTED SOILS, 13 4 SOIL DRAINAGE, 13 5 SUMMARY, SOIL INFORMATION SYSTEMS, 14 1 COMMUNICATION ABOUT SOIL, 14 2 TRADITIONAL CLASSI?CATION, 14 3 SOIL SURVEY METHODS, 14 4 SOIL INFORMATION SYSTEMS, 14 5 SUMMARY, SOIL QUALITY AND SUSTAINABLE LAND MANAGEMENT, 15 1 WHAT IS SOIL QUALITY? 15 2 CONCEPTS OF SUSTAINABILITY, 15 3 SUSTAINABLE LAND MANAGEMENT, 15 4 SUMMARY, ANSWERS TO QUESTIONS AND PROBLEMS, 7 5 CLAY–ORGANIC MATTER INTERACTIONS, 7 6 SUMMARY, SOIL AERATION, 8 1 SOIL RESPIRATION, 8 2 MECHANISMS OF GAS EXCHANGE, 8 3 EFFECTS OF POOR SOIL AERATION ON ROOT AND MICROBIAL ACTIVITY, 8 4 OXIDATION–REDUCTION REACTIONS IN SOIL, 8 5 SUMMARY, PROCESSES IN PRO?LE DEVELOPMENT, 9 1 THE SOIL PRO?LE, 9 2 PEDOGENIC PROCESSES, 9 3 FREELY DRAINED SOILS OF HUMID TEMPERATE REGIONS, 9 4 SOILS OF THE TROPICS AND SUBTROPICS, 9 5 HYDROMORPHIC SOILS, 9 6 SALT-AFFECTED SOILS, 9 7 SUMMARY, NUTRIENT CYCLING, 10 1 NUTRIENTS FOR PLANT GROWTH, 10 2 THE PATHWAY OF NITROGEN, 10 3 PHOSPHORUS AND SULPHUR, 10 4 POTASSIUM, CALCIUM AND MAGNESIUM, 10 5 TRACE ELEMENTS, 10 6 SUMMARY, PART 3 SOIL MANAGEMENT MAINTENANCE OF SOIL PRODUCTIVITY, 11 1 TRADITIONAL METHODS, 11 2 PRODUCTIVITY AND SOIL FERTILITY, 11 3 SOIL ACIDITY AND LIMING, 11 4 THE IMPORTANCE OF SOIL STRUCTURE,