摘要 | 第1-4页 |
ABSTRACT | 第4-14页 |
CHAPTER 1 Introduction | 第14-30页 |
·Introduction and background | 第14-16页 |
·Motivation and problem statement | 第16-17页 |
·Literature review | 第17-19页 |
·Overview of soil tillage management and soil carbon | 第19-26页 |
·Soil tillage effects on other soil properties related to SOC | 第26-29页 |
·Main objectives | 第29-30页 |
CHAPTER 2 Materials and methods | 第30-35页 |
·Site description | 第30页 |
·Experimental design | 第30-31页 |
·Soil sampling | 第31页 |
·Soil analysis | 第31-34页 |
·Statistical analysis | 第34-35页 |
CHAPTER 3 Effects of tillage systems and residue management on selected soil physical andchemical properties | 第35-50页 |
·Introduction | 第35页 |
·Effects of different tillage systems ad residue management on soil chemical properties | 第35-41页 |
·Effects of different tillage systems ad residue management on soil physical properties | 第41-46页 |
·Discussion | 第46-49页 |
·Summary | 第49-50页 |
CHAPTER 4 Effects of tillage and residue management on selected soil carbon fractions | 第50-58页 |
·Introduction | 第50页 |
·Effect of different tillage systems ad residue management on soil carbon fractions | 第50-55页 |
·Discussion | 第55-57页 |
·Summary | 第57-58页 |
CHAPTER 5 Effects of tillage and residue management on soil organic carbon concentration, stocksand stratification | 第58-68页 |
·Introduction | 第58页 |
·The effects of different tillage systems and residue management on soil carbon dynamics | 第58-65页 |
·Discussion | 第65-67页 |
·Summary | 第67-68页 |
CHAPTER 6 Effects of tillage and residue management on nitrogen concentration, stocks andstratification | 第68-79页 |
·Introduction | 第68页 |
·The effects of different tillage systems and residue management on nitrogen dynamics | 第68-77页 |
·Discussion | 第77-78页 |
·Summary | 第78-79页 |
CHAPTER 7 Relationship of soil organic carbon and other soil quality parameters as affected bytillage and residue management | 第79-91页 |
·Introduction | 第79页 |
·Results | 第79-89页 |
·Discussion | 第89-91页 |
CHAPTER 8 Summary, recommendations and conclusions | 第91-94页 |
References | 第94-110页 |
Acknowledgement | 第110-111页 |
Abridged resume | 第111页 |