声明
摘要
ABSTRACT
CONTENTS
Chapter Ⅰ INTRODUCTION
1．1 Maize
1．1．1 History and Origin
1．1．2 Botany and Ecology
1．1．3 Socio-Economic Importance
1．2 Soybean
1．2．1 History and Origin
1．2．2 Botany and Ecology
1．2．3 Socio-Economic Importance
1．3 Intercropping
1．3．1 Types of Intercropping
1．3．2 Cereal-Legume Intercropping
1．3．3 Advantages of Legumes in Intercropping
1．3．4 Intercropping and Resource Utilization
1．3．5 Assessing Yield Advantages of Intercropping
1．3．6 Agronomic Importance of Intercropping
1．3．7 Plant Density，Spacing and Spatial Arrangement in Cropping System
1．4 Silage
1．4．1 Silage Making
1．4．2 Ensiling
1．5 Proximate Analysis
1．6 Objectives
1．7 Research Route
Chapter Ⅱ MATERIALS AND METHODS
2．1 Description of Experimental Site
2．2 Description of the Experimental Materials
2．3 Treatments and Experimental Design
2．4 Experimental Procedures
2．4．1 Plant Cultivation and Fodder Production
2．4．2 Silage Preparation
2．5 Soil Sampling and Analysis
2．6 Data Collection and Analysis
2．6．1 Plant Height (cm) at Harvest
2．6．2 Measurement
2．6．3 Botanical Composition
2．6．4 Green Fodder Yield
2．6．5 Dry Matter Yield
2．6．6 Crude Protein Yield
2．7 Determination of Nutrient Composition
2．8 Statistical Analysis
Chapter Ⅲ RESULTS
3．1 Different Cropping System on Resource Consumption
3．1．1 PAR Interception
3．1．2 LAI
3．1．3 Soil Temperature
3．1．4 Soil Moisture Content
3．2 Yield Components
3．2．1 Botanical Composition
3．2．2 Plant Height
3．2．3 Fresh Biomass Yield
3．2．4 Dry Matter Yield
3．2．5 Crude Protein Yield
3．2．6 Land Equivalent Ratio (LER)
3．2．7 Grain Yield
3．3 Proximate and Mineral Composition
3．3．1 Nutrient Composition of Fodder
3．3．2 Fermentation Quality of Silages
3．3．3 Forage and Silage Proximate and Mineral Composition
Chapter Ⅳ DISCUSSIONS
4．2 Agronomic Parameters
4．3 Proximate and Nutrients Composition of Forage and Silages
Chapter Ⅴ OVERALL CONCLUSIONS AND SUGGESTIONS
REFERENCES
APPENDICES
LIST OF ABBREVIATIONS
ACKNOWLEDGEMENTS
BIOGRAPHICAL SKETCH
