声明
CHAPTER 1. INTRODUCTION AND REVIEW OF LITERATURE
1.1 Background and problem statement
1.2 Justification and significance of the research
1.3 Review of literature
1.4 Research objectives and hypothesis
1.5 Research approach
CHAPTER 2. MATERIALS AND METHODS
2.1 Study region
2.2 Field experiment
2.3 Incubation experiment
2.4 Major equipments
2.5 Statistical analysis
CHAPTER 3. MITIGATION OF AMMONIA VOLATILIZATION WITH THE APPLICATION OF UREASE AND NITRIFICATION INHIBITORS FROM SUMMER MAIZE CROP GROWN AT THREE DIFFERENT SITES OF LOESS PLATEAU
3.1 Introduction
3.2 Materials and Methods
3.3 Results
3.4 Discussion
CHAPTER 4. EFFECT OF UREASE AND NITRIFICATION INHIBITORS ON SOIL NITROGEN TRANSFORMATION AND NITROGEN USE EFFICIENCY OF SUMMER MAIZE GROWN IN THE LOESS PLATEAU
4.1 Introduction
4.2 Materials and Methods
4.3 Results
4.4 Discussion
CHAPTER 5. UREASE INHIBITOR (NBPT) APPLICATION AS A MITIGATING STRATEGY OF AMMONIA VOLATILIZATION FROM UREA APPLIED DIFFERENT SOILS OF LOESS PLATEAU
5.1 Introduction
5.2 Materials and Methods
5.3 Results
5.4 Discussion
CHAPTER 6 SUMMARY OF RESEARCH
6.1 Main conclusions
6.2 Innovative points of study
6.3 Suggestions and recommendations
参考文献
NOMENCLATURE
ABOUT THE AUTHOR
RESEARCH PUBLICATIONS
CONFERENCES
致谢
