| 摘要 | 第6-8页 |
| Abstract | 第8-9页 |
| Abbreviation | 第14-16页 |
| Chapter Ⅰ Introduction | 第16-25页 |
| 1.1 General description | 第16-17页 |
| 1.2 Vegetable seedling production and cultivation | 第17-21页 |
| 1.2.1 Status of vegetable seedling productions | 第17页 |
| 1.2.2 Seedling quality criteria | 第17-18页 |
| 1.2.3 Seedling development | 第18页 |
| 1.2.4 Seedling cultivation | 第18-21页 |
| 13 Growing media | 第21-22页 |
| 1.3.1 Status of growth media | 第21页 |
| 1.3.2 Substrate quality criterion | 第21-22页 |
| 1.4 Ebb and flood irrigation | 第22-23页 |
| 1.4.1 Definition of ebb and flood irrigation | 第22页 |
| 1.4.2 Advantages and disadvantages of ebb and flood irrigation | 第22-23页 |
| 1.5 Nutrient use efficiency in plant | 第23-25页 |
| 1.5.1 Definitions and determinations of nutrient use efficiency in crops | 第23页 |
| 1.5.2 Status of nutrient use efficiency | 第23-24页 |
| 1.5.3 Enhancement of nutrient use efficiency in plants | 第24-25页 |
| Chapter Ⅱ Effect of different substrate formulas on growth and development of Solanaceousvegetable seedlings under ebb and flood irrigation | 第25-53页 |
| 2.1 Abstract | 第25-26页 |
| 2.2 Introduction | 第26-27页 |
| 2.3 Materials and methods | 第27-30页 |
| 2.3.1 Plants,substrates and plug tray types | 第27-28页 |
| 2.3.2 Treatments and experiment design | 第28页 |
| 2.3.3 Experimental procedures | 第28-29页 |
| 2.3.4 Determination of chemical and physical properties of the substrates | 第29页 |
| 2.3.5 Data collection and measurements | 第29-30页 |
| 2.3.6 Statistical Analysis | 第30页 |
| 2.4 Results | 第30-50页 |
| 2.4.1 Physical and chemical properties of the substrates | 第30-34页 |
| 2.4.2 The effects of different substrate formulas on the growth and development of tomato seedlings | 第34-39页 |
| 2.4.3 The effects of different substrate formulas on the growth and development of pepper seedlings | 第39-44页 |
| 2.4.4 The effects of different substrate formulas on the growth and development eggplant seedlings | 第44-50页 |
| 2.5 Discussion | 第50-51页 |
| 2.5.1 The chemical and physical properties of different substrates | 第50页 |
| 2.5.2 The effects of different substrate formulas on the growth and development of tomato seedlings | 第50-51页 |
| 2.5.3 The effects of different substrate formulas on the growth and development of pepper seedlings | 第51页 |
| 2.5.4 The effects of different substrate formulas on the growth and development of eggplant seedlings | 第51页 |
| 2.6 Conclusion | 第51-53页 |
| Chapter Ⅲ Assessment of nutrient use efficiency for Solanaceous vegetable seedlings betweenoverhead irrigation and ebb and flood irrigation | 第53-76页 |
| 3.1 Abstract | 第53-54页 |
| 3.2 Introduction | 第54-55页 |
| 3.3 Materials and methods | 第55-59页 |
| 3.3.1 Plants, substrates, plug tray types | 第55页 |
| 3.3.2 Treatments and experimental design | 第55-56页 |
| 3.3.3 Experimental procedures | 第56-57页 |
| 3.3.4 Determination of seedling vegetable minerals composition | 第57页 |
| 3.3.5 Determination of minerals composition in the substrates | 第57页 |
| 3.3.6 Data collection and measurements | 第57-58页 |
| 3.3.7 N,P and K use efficiency | 第58-59页 |
| 3.3.8 N, P and K in the substrates of tomato, pepper and eggplant seedlings at the end of experiment | 第59页 |
| 3.3.9 Statistical Analysis | 第59页 |
| 3.4 Results | 第59-70页 |
| 3.4.1 The effects of different irrigation methods on the growth and development of tomato seedlings | 第59-62页 |
| 3.4.2 The effects of different irrigation methods on the growth and development pepper seedlings | 第62-64页 |
| 3.4.3 The effects of different irrigation methods on the growth and development of eggplant seedlings | 第64页 |
| 3.4.4 Total N,P and K absorption of the tomato, pepper and eggplant seedlings | 第64-66页 |
| 3.4.5 N, P and K use efficiency | 第66-68页 |
| 3.4.6 N, P and K in the substrates of tomato, pepper and eggplant seedlings at the end of experiment | 第68-70页 |
| 3.5 Discussion | 第70-74页 |
| 3.5.1 The effects of different irrigation methods on the growth and development of tomato seedlings | 第70-71页 |
| 3.5.2 The effects of different irrigation methods on the growth and development of pepper seedlings | 第71页 |
| 3.5.3 The effects of different irrigation methods on the growth and development of eggplant seedlings | 第71页 |
| 3.5.4 N,P and K absorption of the tomato, pepper and eggplant seedlings | 第71-73页 |
| 3.5.5 N,P and K use efficiency of tomato, pepper and eggplant seedlings | 第73-74页 |
| 3.5.6 N, P and K in the substrates of tomato, pepper and eggplant seedlings at the end of experiment | 第74页 |
| 3.6 Conclusion | 第74-76页 |
| Chapter Ⅳ Effect of different substrates on growth and development of gourd vegetableseedlings under ebb and flood irrigation | 第76-102页 |
| 4.1 Abstract | 第76-77页 |
| 4.2 Introduction | 第77页 |
| 43 Material and method | 第77-79页 |
| 4.3.1 Plants,substrates and plug tray types | 第77-78页 |
| 4.3.2 Treatments and experimental design | 第78页 |
| 4.3.3 Experimental procedures | 第78-79页 |
| 4.3.4 Determination of chemical and physical properties of the substrates | 第79页 |
| 4.3.5 Growth parameter data collection and measurement | 第79页 |
| 4.3.6 Statistical analysis | 第79页 |
| 4.4 Results | 第79-99页 |
| 4.4.1 Physical and chemical properties of the substrates | 第79-83页 |
| 4.4.2 The effects of different substrate formulas on the growth and development of the cucumber seedlings | 第83-89页 |
| 4.4.3 The effects of different substrate formulas on the growth and development of the melon seedligs | 第89-94页 |
| 4.4.4 The effects of different substrate formulas on the growth and development of the watermelon seedlings | 第94-99页 |
| 4.5 Discussion | 第99-100页 |
| 4.5.1 Physical properties of different substrate formulas | 第99页 |
| 4.5.2 The effects of different substrate formulas on the growth and development of the cucumber seedlings | 第99-100页 |
| 4.5.3 The effects of different substrate formulas on the growth and development of the melon seedlings | 第100页 |
| 4.5.4 The effects of different substrate formulas on the growth and development of the watermelon seedlings | 第100页 |
| 4.6 Conclusion | 第100-102页 |
| Chapter Ⅴ Estimation of fertilizer use efficiency for Gourd vegetable seedlings betweenoverhead irrigation and ebb and flood irrigation | 第102-118页 |
| 5.1 Abstract | 第102页 |
| 5.2 Introduction | 第102-103页 |
| 5.3 Materials and methods | 第103-106页 |
| 5.3.1 Plants,substrates and plug tray types | 第103-104页 |
| 5.3.2 Treatments and experimental design | 第104页 |
| 5.3.3 Experimental procedures | 第104-105页 |
| 5.3.4 Determination of seedling vegetable minerals composition | 第105页 |
| 5.3.5 Determination of minerals composition in the substrates | 第105页 |
| 5.3.6 Growth parameter data collection and measurement | 第105页 |
| 5.3.7 N,P and K use efficiency | 第105页 |
| 5.3.8 N, P and K in the substrates in the substrates of cucumber, melon and water melon seedlings | 第105页 |
| 5.3.9 Statistical Analysis | 第105-106页 |
| 5.4 Results | 第106-113页 |
| 5.4.1 The effects of different irrigation methods on the growth and development of cucumber, melon and watermelon seedlings | 第106-108页 |
| 5.4.2 Total N, P and K absorption of the cucumber, melon and watermelon seedlings | 第108-110页 |
| 5.4.3 N, P and K use efficiency of the cucumber, melon and watermelon seedlings | 第110-112页 |
| 5.4.4 N, P and K in the substrates of cucumber, melon and watermelon seedlings at the end of experiment | 第112-113页 |
| 5.5 Discussion | 第113-117页 |
| 5.5.1 The effects of different irrigation methods on the growth and development of the cucumber, melon and watermelon seedlings | 第113-115页 |
| 5.5.2 Total N, P and K absorption of the cucumber, melon and watermelon seedlings | 第115-116页 |
| 5.5.3 N, P and K use efficiency of the cucumber, melon and watermelon seedlings | 第116页 |
| 5.5.4 N, P and K in the substrates of cucumber, melon and watermelon seedlings at the end of experiment | 第116-117页 |
| 5.6 Conclusion | 第117-118页 |
| REFERENCE | 第118-126页 |
| ACKNOWLEDGEMENTS | 第126-127页 |
| CV | 第127页 |
