| ACKNOWLEDGEMENTS | 第1-9页 |
| ABSTRACT | 第9-12页 |
| List of Tables | 第12-13页 |
| List of Figures | 第13-14页 |
| Conents | 第14-16页 |
| 1 General Introduction | 第16-21页 |
| ·Research Problem | 第16-18页 |
| ·Research Objectives | 第18-19页 |
| ·Hypothesis | 第19-21页 |
| 2 Review of Literature | 第21-29页 |
| ·Impact and Fate of Copper in the Environment | 第21页 |
| ·Environmental Fate and Behavior in Soil | 第21-23页 |
| ·Adsorption and mobility | 第22页 |
| ·Aqueous-phase solubility | 第22-23页 |
| ·Leaching and lateral movement | 第23页 |
| ·Biotransformation | 第23页 |
| ·Effect of Cu on Paddy Rice Growth and Production | 第23-25页 |
| ·Choices of Manure in terms of Fertilizers and Amendments | 第25-26页 |
| ·Heavy metals pollution caused by massive use of manure | 第26-29页 |
| 3 Impact of Different Concentration of Cu on Growth and Yield of Rice | 第29-49页 |
| ·Introduction | 第29-30页 |
| ·Material and Methods | 第30-33页 |
| ·Soil and manure properties | 第31-32页 |
| ·Preparation of the pots | 第32页 |
| ·Methods for determining growth parameters | 第32-33页 |
| ·Determination of plant biomass | 第33页 |
| ·Experimental Design | 第33-34页 |
| ·Results | 第34-45页 |
| ·Effect of different Cu treatments on plant height | 第34-35页 |
| ·Effect of different Cu treatments on chlorophyll contents | 第35-37页 |
| ·Effect of different Cu treatments on tillering | 第37-39页 |
| ·Effect of Cu on plant biomass(tillers,shoots and roots) | 第39-41页 |
| ·Effect of Cu on grain yield and yield components | 第41-45页 |
| ·Correlation analysis of grain yield and yield components | 第45页 |
| ·Discussion | 第45-49页 |
| 4 Accumulation of Cu in Rice at Different Concentration Levels of Cu | 第49-60页 |
| ·Introduction | 第49-50页 |
| ·Material and Methods | 第50-51页 |
| ·Determination of Cu contents in rice plants | 第50-51页 |
| ·Statistical Analysis | 第51页 |
| ·Results | 第51-58页 |
| ·Cu accumulation in roots | 第51-53页 |
| ·Cu accumulation in shoots | 第53-54页 |
| ·Cu accumulation in grains | 第54-55页 |
| ·Relationship of Cu content among roots,shoots and grains | 第55-58页 |
| ·Discussion | 第58-60页 |
| 5 Dynamics and Accumulation of Cu in the Soil and Its Affect on Plant Absorption | 第60-72页 |
| ·Introduction | 第60-61页 |
| ·Material and methods | 第61-62页 |
| ·Determination of extractable Cu contents in soil | 第61-62页 |
| ·Determination of total Cu contents in soil | 第62页 |
| ·Results | 第62-69页 |
| ·Dynamics of extractable Cu in the soil | 第62-65页 |
| ·Total Cu contents of the soil at the havresting | 第65-67页 |
| ·Correlation between soil extractable Cu and the content in plant | 第67-69页 |
| ·Discussion | 第69-72页 |
| 6 Major Conclusions and Perspectives | 第72-75页 |
| ·Major conclusions | 第72-74页 |
| ·Future perspectives | 第74-75页 |
| References | 第75-84页 |