Advances in Agronomy

Advisory Board

Contributors

Preface

Chapter One. Use of Synchrotron-Based Techniques to Elucidate Metal Uptake and Metabolism in Plants

1 Introduction

2 Presentation of the Techniques

3 Sample Preparation and Possible Artifacts

4 Results Obtained

5 Complementary Techniques

6 Conclusions and Perspectives

References

Chapter Two. Advances in Understanding Organic Nitrogen Chemistry in Soils Using State-of-the-art Analytical Techniques

1 Introduction

2 Overview of Analytical Methods

3 Occurrence and Ecological Function of Non-Cyclic and Cyclic Norg Compounds in Soil

4 Examples for Recent Multimethodological Studies of Soil Norg Chemistry

5 Conclusions and Outlook

References

Chapter Three. The Role of Nitrate in Human Health

1 Introduction

2 Impacts on Human Health

3 Risk–Benefit Analysis

4 Conclusions

References

Chapter Four. Cadmium Contamination and Its Risk Management in Rice Ecosystems

1 Introduction

2 Origin and Sources of Cadmium in Paddy Soils

3 Biogeochemistry of Cadmium in the Environment

4 Bioavailability and Toxicity of Cadmium

5 Risk Management of Cadmium in Rice Ecosystems

6 Summary and Future Research Needs

References

Chapter Five. Transport and Retention of Heavy Metal in Soils

1 Introduction

2 Transport

3 Retention Models

4 Competitive Retention Models

5 Summary

References

Chapter Six. Clean Coal Technology Combustion Products

1 Introduction

2 Physical and Chemical Properties of CCPs

3 Applications of CCPs

4 Risk Management of CCPs in the Environment

5 Conclusions and Research Priorities

References

Chapter Seven. An Assessment of the Variation of Manure Nitrogen Efficiency throughout Europe and an Appraisal of Means to Increase Manure-N Efficiency

1 Introduction

2 The Availability of Manure-N to Crops

3 Review of Recent Work Evaluating Methods to Increase Manure-N Availability/reduce Losses

4 Discussion

5 Conclusions

References

Index

Color Plate