""METAL CONTAMINATION""; ""SOURCES, DETECTION AND ENVIRONMENTAL IMPACT""; ""ENVIRONMENTAL HEALTH -- PHYSICAL, CHEMICAL AND BIOLOGICAL FACTORS""; ""ENVIRONMENTAL REMEDIATION TECHNOLOGIES, REGULATIONS AND SAFETY""; ""Library of Congress Cataloging-in-Publication Data""; ""CONTENTS""; ""PREFACE""; ""THE NON-POINT POLLUTION OF NITROGEN AND PHOSPHORUS IN CHINESE AGRICULTURE ECOSYSTEM: CURRENT STATUS AND PROGRESS ""; ""ABSTRACT""; ""1. INTRODUCTION""; ""2. THE N AND P POLLUTION IN MAJOR WATER SYSTEM IN CHINA""; ""3. THE MAIN CAUSES OF NPP FROM AGRICULTURE IN CHINA""; ""3.1 Fertilizer in Farmland""""3.1.1 N Application""""3.1.2 P Application""; ""3.2 Animal Feeding Operation""; ""4. FUTURE WORKS ABOUT AGRICULTURAL NPP IN CHINA""; ""4.1 The Runoff Mechanism of NPS from Chinese Agriculture""; ""4.2 Rapid Assessment Techniques""; ""4.3 Best Agriculture Management""; ""ACKNOWLEDGMENTS""; ""REFERENCES""; ""SOME ADVANCES IN BIO-REMOVING HAZARDOUS HEAVY METALS FROM CONTAMINATED SOILS""; ""ABSTRACT""; ""1. INTRODUCTION""; ""2. MECHANISMS OF FOUR METAL-REMOVING-METHODS""; ""2.1. Mechanism of Chemical or Physical Remediation""; ""2.2. Mechanism of Animal Remediation""""2.3. Mechanism of Phytoremediation""""2.3.1. Accumulation and Transport""; ""2.3.2. Detoxification""; ""2.4. Mechanism of Microremediation""; ""2.4.1. Metal-Binding Mechanism""; ""2.4.2. Valence Transformation Mechanism""; ""2.4.3. Volatilization Mechanism""; ""2.4.4. Extracellular Chemical Precipitation Mechanism""; ""2.4.5. Symbiotic Mechanism""; ""3. EVALUATION OF FOUR METAL-REMOVING-METHODS""; ""3.1. Summarized Disadvantages of Chemical/Physical Remediation""; ""3.2. Summarized Disadvantages of Animal Remediation""""4. FUTURE DEVELOPMENT AND OPPORTUNITIES OF BIOREMEDIATION (PHYTO- AND MICRO-REMEDIATION)""""4.1. Application of Genetic Engineering or Cell Engineering""; ""4.2. The Development of Crop Hyperaccumulators""; ""4.3. Universal Procedures of Evaluation Before Large-Scale Commercialization""; ""CONCLUSIONS""; ""PERSPECTIVE""; ""ACKNOWLEDGEMENTS""; ""REFERENCES""; ""IMMOBILIZATION OF HEAVY METALS IN SOIL BY PHOSPHATE TREATMENT: A REVIEW""; ""ABSTRACT""; ""1. INTRODUCTION""; ""2. SOURCES OF METALS IN SOIL SYSTEM""; ""3. EFFECTIVENESS OF DIFFERENT PHOSPHATE SOURCES""""4. MECHANISMS OF HEAVY METAL IMMOBILIZATION""""5. EFFECT OF PHOSPHATE TREATMENT ON SOIL PH""; ""6. EFFECTS OF APPLICATION RATE AND GRAIN SIZE""; ""7. PHOSPHATE-INDUCED CONTAMINANTS DESORPTION""; ""CONCLUSION""; ""REFERENCES""; ""METAL CONTAMINANT SOURCE, TRANSPORT AND FATE IN THE ENVIRONMENT AND PHYTOREMEDIATION METHODS ""; ""ABSTRACT""; ""1. INTRODUCTION""; ""2. TRANSPORT AND FATE IN ENVIRONMENT""; ""3. HEAVY METAL REMEDIATION METHODS""; ""3.1. Phytoremediation""; ""3.1.1. Phytoextraction""; ""3.1.2. Phytostabilization""; ""3.1.3. Rhizofiltration""; ""3.1.4. Phytovolatization""