| ABSTRACT | 第6-8页 |
| 摘要 | 第9-13页 |
| 1. LITERATURE REVIEW | 第13-23页 |
| 1.1 Introduction | 第13页 |
| 1.2 Sources of heavy metals in the soil | 第13-14页 |
| 1.3 Detrimental impacts of heavy metals on public health | 第14-15页 |
| 1.4 Overview of global soil pollution | 第15-17页 |
| 1.5 Traditional soil remediation approaches | 第17页 |
| 1.6 Phytoremediation | 第17-20页 |
| 1.7 Immobilization of soil heavy metals using soil amendments | 第20-21页 |
| 1.8 Research objectives | 第21-23页 |
| 2. MATERIAL AND METHODS | 第23-28页 |
| 2.1 Collection of soil samples and characteristics | 第23页 |
| 2.2 Characteristics of used soil amendments | 第23页 |
| 2.3 Experiments design | 第23-25页 |
| 2.3.1 Soil immobilization experiment | 第23-24页 |
| 2.3.2 Pot experiment | 第24-25页 |
| 2.4 Sample analyses | 第25-26页 |
| 2.4.1 Analysis of un-mended soil samples | 第25页 |
| 2.4.2 Extraction of heavy metals using TCLP and DTPA/TEA | 第25-26页 |
| 2.4.3 Analysis of plant and soil samples | 第26页 |
| 2.4.4 Analysis of chlorophyll content | 第26页 |
| 2.5 Statistical analyses | 第26-28页 |
| 3. IMMOBILIZATION EXPERIMENT: A ONE-YEAR INCUBATION STUDY | 第28-57页 |
| 3.1 Characteristics of the studied soils and amendments | 第28-30页 |
| 3.2. Impact of treatments on the change in soil p H and EC | 第30-35页 |
| 3.3 TCLP-extractable Cd, Cu and Pb | 第35-56页 |
| 3.3.1 Extractable Cd content after 2, 6 and 12 M incubation | 第35-38页 |
| 3.3.2 Extractable Cu content after 2, 6 and 12 M incubation | 第38-45页 |
| 3.3.3 Extractable Pb content after 2, 6 and 12 M incubation | 第45-56页 |
| 3.4 Summary | 第56-57页 |
| 4. PHYTOAVAILABILITY TEST: A POT EXPERIMENT | 第57-80页 |
| 4.1 Impact of soil amendments on chlorophyll content | 第57页 |
| 4.2 Effect of soil amendments of soil p H and EC variation | 第57-61页 |
| 4.3 DTPA-extractable Cd, Cu and Pb in soil | 第61-67页 |
| 4.4 Impact of amendments on dry biomass yield | 第67页 |
| 4.5 Impact of amendments on phytoavailability of Cd, Cu and Pb in shoots | 第67-73页 |
| 4.6 Impact of amendments on phytoavailability of Cd, Cu and Pb in roots | 第73-78页 |
| 4.7 Summary | 第78-80页 |
| 5. CONCLUSION AND SUGGESTIONS | 第80-82页 |
| REFERENCES | 第82-96页 |
| APPENDIX A | 第96-100页 |
| ABOUT THE AUTHOR | 第100-101页 |
| PUBLISHED PEER REVIEWED PAPERS (SCI) | 第101-103页 |
| ACKNOWLEDGEMENTS | 第103页 |
