封面
声明
签名表
中文摘要
英文摘要
目录
Abbreviation
Chapter1:Introduction
1.1 Introduction
1.2 Background
1.3 Effects of conservation tillage
1.4 Conservation tillage in china
Chapter 2:Materials and method
2.1 Description of experimental site
2.2 Experimental design and treatments
2.3 Crop management
2.4 Measurements
2.5 Statistical analysis
Chapter 3 Results and Discussion
3.1 Combined effects tillage and crop residues on soil respiration, soil temperature, and soil moisture during wheat growing period
3.2 Discussion
3.3 Combined effects of tillage and crop residues on soil respiration, soil temperature, and soil moisture during maize growing period
3.4 Discussion
3.5 Combined effects of tillage and crop residues on soil properties and crop yield
3.6 Discussion
Conclusion and recommendation
参考文献
致谢
Author's Biography
