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| Main Symbols | |
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| Introduction | |
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| The Origin of Current Ideas | |
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| The Beginning of the Modern Period (c. 1940-1960) | |
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| Wider Perspectives | |
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| The Continuity Equation | |
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| Soil and Plant Water | |
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| Water Potential | |
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| Transfer of Water | |
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| Water Use by Plants | |
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| Conclusion | |
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| Solute Interchange between Solid, Liquid, and Gas Phases in the Soil | |
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| Composition of the Soil Solution | |
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| Buffer Power | |
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| Poorly Soluble Compounds | |
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| Cations with Multiple Valency | |
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| Adsorption of Anions | |
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| Rates of Ionic Interchange between Solid and Solution | |
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| Mineralization and Immobilization in Organic Forms | |
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| Applications to Whole Crop and Drainage Models | |
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| Sorption Reactions of Organic Materials | |
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| Local Movement of Solutes in Soil | |
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| Diffusion | |
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| Diffusion in Soils | |
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| Mass Flow and Dispersion in Solution | |
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| Gaseous Convection and Diffusion | |
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| Mechanical Movement | |
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| The Uptake Properties of the Root System | |
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| Root Morphology | |
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| The Ion Uptake Process | |
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| Ion Uptake Kinetics and Plant Demand | |
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| Plant Factors that Affect Uptake Rates | |
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| Environmental Variables that Affect Uptake Rate | |
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| Conclusion | |
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| Solute Transport in the Soil near Root Surfaces | |
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| Transport Processes | |
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| Experimental Evidence for Theory of Diffusion near Roots with Restricted Mass Flow | |
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| Roots with Root Hairs | |
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| Simultaneous Diffusion and Convection | |
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| The Effect of Soil Moisture Level on Solute Absorption by Single Roots | |
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| Chemical and Physical Modification of the Rhizosphere | |
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| Physical Effects | |
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| Chemical Effects | |
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| Direct Effects of Soluble Exudates on Mineral Nutrition | |
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| Microbiological Modification of the Rhizosphere | |
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| Microbial Substrates in the Rhizosphere | |
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| The Microbiological Community and the Processes of the Rhizosphere | |
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| Effects on Plant Growth and Mineral Nutrition by Mycorrhizal Fungi | |
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| Effects of Other Organisms on Nutrient Uptake and Growth | |
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| Conclusion | |
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| Root System Architecture, Density, and Measurement | |
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| Root-Shoot Relations and the Allocation of Carbon into the Root System | |
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| The Morphology and Measurement of Root Systems | |
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| Factors Affecting Root Form and Distribution in Soil | |
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| Root Distribution and Density in the Field | |
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| The Modelling of Root System Growth and Morphology | |
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| The Mineral Nutrition of Single Plants in Soil | |
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| Types of Models | |
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| Relationships between Nutrient Uptake, Plant Composition and Growth, and Soil Supply | |
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| Root System Uptake Models for Simplified Conditions without Competition | |
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| Uptake by Competing Roots within a Single Root System in Simplified Conditions | |
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| Root System Uptake Models with Competition in Simplified Conditions | |
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| Whole-Plant Growth and Uptake Models | |
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| Conclusion | |
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| Solute Transport and Crop Growth Models in the Field | |
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| Uptake of Water and Nutrients by Field Crops in Relation to the Development of Crop Models | |
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| Transfer of Solutes in a Profile | |
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| Modelling of Monoculture Crops | |
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| Nutrient Uptake by Mixed Vegetation | |
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| Natural Vegetation | |
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| Conclusion | |
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| References | |
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| Index | |