| Abstract | 第1-11页 |
| 摘要 | 第11-21页 |
| Review of literature | 第21-26页 |
| Materials and methods | 第26-28页 |
| Chapter 1. Tillering Characters and Grain Yield | 第28-37页 |
| 1 Introduction | 第28页 |
| 2 Sampling and Measurements | 第28-29页 |
| 3 Results | 第29-35页 |
| ·Weather condition | 第29-30页 |
| ·Canopy height dynamics | 第30-31页 |
| ·Tillering pattern | 第31页 |
| ·Tiller mortality pattern | 第31-32页 |
| ·Tillering duration and tillering rate | 第32-33页 |
| ·Relationship between maximum tiller number with panicle number and panicle bearing tiller rate | 第33页 |
| ·Dry weight of tiller | 第33-34页 |
| ·Spikelet/cm panicle, panicle dry weight, panicle bearing tiller rate (PBRT) and grain yield | 第34-35页 |
| 4. Discussions | 第35-36页 |
| 5. Conclusions | 第36-37页 |
| Chapter 2. Functional Leaf Characters and Leaf Photosynthetic Responses | 第37-44页 |
| 1 Introduction | 第37页 |
| 2 Sampling and Measurements | 第37-38页 |
| 3. Results | 第38-42页 |
| ·Functional leaf characters at heading | 第38-40页 |
| ·Functional leaf area (cm~2) and aboveground biomass (mg) per spikelet at HD | 第40-41页 |
| ·Leaf photosynthesis at different growth stages | 第41页 |
| ·SPAD reading at different growth stages | 第41页 |
| ·Relationship between grain yield with flag leaf N concentration and flag leaf photosynthesis | 第41-42页 |
| 4. Discussions | 第42-43页 |
| 5. Conclusions | 第43-44页 |
| Chapter 3. Growth and Physiological Responses | 第44-54页 |
| 1 Introduction | 第44页 |
| 2 Sampling and Measurements | 第44-45页 |
| 3 Results | 第45-51页 |
| ·Leaf area index(LAI) | 第45-46页 |
| ·Leaf area duration(LAD) | 第46页 |
| ·Specific leaf area(SLA) | 第46-47页 |
| ·Leaf area ratio(LAR) | 第47-48页 |
| ·Above ground biomass | 第48页 |
| ·Crop growth rate(CGR) | 第48-49页 |
| ·Net assimilation rate | 第49页 |
| ·Nitrogen concentration and uptake by leaf | 第49-50页 |
| ·Relationship between grain yield and abovegroud biomass,N leaf concentration and LAI | 第50-51页 |
| ·Heat use efficiency | 第51页 |
| 4. Discussions | 第51-53页 |
| 5. Conclusions | 第53-54页 |
| Chapter 4. Grain Filling Pattern of Super Hybrid Rice Liangyoupeijiu | 第54-59页 |
| 1 Introduction | 第54页 |
| 2 Sampling and Measurements | 第54-55页 |
| 3 Results | 第55-57页 |
| ·Weather condition | 第55页 |
| ·Grain filling pattern | 第55-56页 |
| ·Grain filling rate(mg grain~(-1)day~(-1)) | 第56-57页 |
| 4 Discussions | 第57-58页 |
| 5 Conclusions | 第58-59页 |
| Chapter 5. Changes of Soil Properties and Root Activity | 第59-68页 |
| 1 Introduction | 第59页 |
| 2 Sampling and Measurements | 第59-60页 |
| 3 Results | 第60-65页 |
| ·Changes of Soil bulk density | 第60-62页 |
| ·Changes of soil chemical properties | 第62-63页 |
| ·Root activity at different growth stages of crop | 第63-64页 |
| ·Relationship between grain yield and root activity | 第64页 |
| ·Relationship between root activity and leaf photosynthesis | 第64-65页 |
| 4. Discussions | 第65-66页 |
| 5. Conclusions | 第66-68页 |
| Chapter 6. Weed Seed Bank size and composition | 第68-77页 |
| 1 Introduction | 第68页 |
| 2 Sampling and Measurements | 第68-69页 |
| ·Time and method of soil sampling | 第68页 |
| ·Working procedure of weed seed bank study | 第68-69页 |
| ·Time of placement of plastic tray | 第69页 |
| 3 Results | 第69-75页 |
| ·Weather condition | 第69-70页 |
| ·Total weeds seed size and compositions at different soil depth and treatment | 第70-72页 |
| ·Effect of depth of soil and treatment on weed seed bank size and composition at different DAP | 第72-75页 |
| 4 Discussions | 第75-76页 |
| 5 Conclusions | 第76-77页 |
| Chapter 7. Impact of Long Term Rice-Rape Cropping on Growth and Yield of Super Hybrid Rice Liangyoupeijiu | 第77-86页 |
| 1 Introduction | 第77页 |
| 2 Sampling and Measurements | 第77-78页 |
| 3 Results | 第78-83页 |
| ·Maximum tillers(per m~2)and panicle bearing tiller rate(%) | 第78页 |
| ·Spikelet production efficiency(SPE)at PI | 第78-79页 |
| ·Total N accumulation in above ground biomass and physiological N use efficiency | 第79页 |
| ·Aboveground biomass at heading and at maturity | 第79-81页 |
| ·Yield and Yield components | 第81-83页 |
| 4 Discussion | 第83-85页 |
| 5 Conclusions | 第85-86页 |
| References | 第86-98页 |
| Acknowledgements | 第98-99页 |
| Achievements | 第99页 |
