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干旱和半干旱条件下玉米和小麦水分生产力的模拟

摘要第7-9页
Abstract第9-10页
Chapter 1 Introduction第15-22页
    1.1 Background and problem statement第15-17页
    1.2 Main objectives of this study were第17页
    1.3 Review of Literature第17-22页
        1.3.1 Deficit irrigation第18页
        1.3.2 Cropping system model第18-20页
        1.3.3 Climate Change and its Impact on Crop Productivity第20-22页
Chapter 2 Material and Method第22-27页
    2.1 Study area第22页
    2.2 Maize and Wheat Field Experimental design第22-23页
    2.3 Irrigation management第23-26页
    2.4 Field parameters measurements第26-27页
Chapter 3 Optimizing the sowing date and irrigation strategy to improve maize yield by using CERES-maize model under arid and semi-arid climate第27-42页
    3.1 Introduction第27-29页
    3.2 Materials and methods第29-31页
        3.2.1 CERES-Maize model description and calibration第29-30页
        3.2.2 Statistical model evaluation第30页
        3.2.3 Optimum sowing date scenarios第30-31页
        3.2.4 Irrigation strategy scenarios第31页
    3.3 Results and discussion第31-33页
        3.3.1 Calibrated parameters output第31-33页
    3.4 Model simulation evaluation第33-41页
        3.4.1 Grain yield and top biomass第33-34页
        3.4.2 Leaf area index第34-36页
        3.4.3 Soil moisture content第36页
        3.4.4 Water use efficiency第36-37页
        3.4.5 Optimum sowing date scenarios第37-39页
        3.4.6 Irrigation strategy scenarios第39页
        3.4.7 Seasonal Water Use Efficiency第39-41页
    3.5 Conclusions第41-42页
Chapter 4 Effect of elevated CO_2 on maize crop production and water use efficiency under future climate change in the Shaanxi Province,China第42-63页
    4.1 Introduction第42-44页
    4.2 Material and Methods第44-49页
        4.2.1 Crop management data第44页
        4.2.2 Climate data第44-45页
        4.2.3 Model calibration and evaluation data第45-47页
        4.2.4 Model simulation of baseline yield第47-48页
        4.2.5 Trend analysis of future climate data第48-49页
    4.3 Results第49-59页
        4.3.1 Projected climatic conditions under future changing climate scenarios第49-50页
        4.3.2 Changes in climate parameters relative to baseline第50-52页
        4.3.3 Spatial evolution of Maize yield,ET,and WUE under future climate change scenarios第52-54页
        4.3.4 Temporal evolution of maize yield,ET,and WUE under future climate change scenarios第54-56页
        4.3.5 Decadal analysis of Maize yield,ET and WUE第56-57页
        4.3.6 Relationship between crop yield and temperature第57-59页
    4.4 Discussion第59-61页
        4.4.1 Prospective climate anomalies in the Shaanxi第59页
        4.4.2 Impact of climate change on maize yield第59-61页
        4.4.3 Impact of climate change on Evapotranspiration and WUE第61页
    4.5 Conclusion and Future Implications第61-63页
Chapter 5 Multiple crop models predict irrigation and planting date adaptations can mitigate negative impacts of climate change on maize yield in Guanzhong Plain第63-92页
    5.1 Introduction第63-66页
    5.2 Materials and methods第66-73页
        5.2.1 Study area:第66页
        5.2.2 Experimental and farmer field data第66-67页
        5.2.3 Modeling第67-73页
        5.2.4 Statistical analysis第73页
    5.3 Results and Discussion第73-91页
        5.3.1 Parameter calibration results第73-74页
        5.3.2 Model evaluation results第74-76页
        5.3.3 Simulated baseline yield第76-78页
        5.3.4 Future change in temperature and precipitation第78页
        5.3.5 Maize yield with and without CO2 fertilization第78-80页
        5.3.6 Effect of no adaptation on Maize yield第80-81页
        5.3.7 Effect of Irrigation adaptation on maize yield第81-84页
        5.3.8 Effect of planting date adaptation on maize yield第84-87页
        5.3.9 Effect of double adaptation(irrigation and planting date)on maize yield第87-90页
        5.3.10 Reliability of yield prediction第90-91页
    5.4 Conclusions第91-92页
Chapter 6 Multiple crop models projection of wheat production under future climate change scenarios in the Guanzhong Plain,China第92-110页
    6.1 Introduction第92-94页
    6.2 Material and Methods第94-97页
        6.2.1 Study area第94页
        6.2.2 Material第94-95页
        6.2.3 Methods第95-97页
    6.3 Results第97-105页
        6.3.1 Projected climatic conditions under future climate scenarios第97-99页
        6.3.2 Multiple crop models calibration and evaluation第99-101页
        6.3.3 Adaptation strategy for wheat yield under future climate change第101-104页
        6.3.4 Water use efficiency(WUE)第104-105页
    6.4 Discussion第105-108页
        6.4.1 Multiple crop model calibration and evaluation第105页
        6.4.2 Prospective climate anomalies in the Guanzhong Plain第105-106页
        6.4.3 Response of wheat yield with no adaptation under future climate change第106页
        6.4.4 Response of elevated CO2 under future climate change第106-107页
        6.4.5 Response of irrigation adaptation strategy under future climate change第107页
        6.4.6 Water use efficiency under future climate change第107-108页
        6.4.7 Reliability of Multiple crop models yield prediction第108页
    6.5 Conclusion第108-110页
Chapter 7 Performance Comparison of the APSIM and CERES-wheat models in Guanzhong Plain,China第110-124页
    7.1 Introduction第110-112页
    7.2 Material and Methods第112-114页
        7.2.1 Study site第112-113页
        7.2.2 Material第113页
        7.2.3 Methods第113-114页
    7.3 Results第114-121页
        7.3.1 Calibration of models第114-115页
        7.3.2 APSIM and CERES-Wheat models evaluations第115-118页
        7.3.3 Combine(ensemble)models simulations第118-119页
        7.3.4 Sensitivity analysis第119-121页
    7.4.Discussion第121-123页
        7.4.1 Models calibration and evaluation第121-122页
        7.4.2 Sensitivity Analysis第122页
        7.4.3 Uncertainty of the models outputs第122-123页
    7.5 Conclusion第123-124页
Summary第124-127页
References第127-145页
ACKNOWLEDGEMENT第145-146页
ABOUT THE AUTHOR第146页

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