Tang Chi Wai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2004. / Includes bibliographical references (leaves 104-121) and index. / Abstracts in English and Chinese. / Abstract --- p.i / 摘要 --- p.iii / Acknowledgements --- p.v / Table of Contents --- p.vii / List of Tables --- p.x / List of Figures --- p.xi / List of Plates --- p.xii / Chapter Chapter One --- Introduction / Chapter 1.1 --- Background --- p.1 / Chapter 1.2 --- Conceptual Framework --- p.3 / Chapter 1.3 --- Objectives and Significance --- p.5 / Chapter 1.4 --- Structure of the Thesis --- p.7 / Chapter Chapter Two --- Literature Review / Chapter 2.1 --- Impacts of Soil Erosion on Agriculture --- p.8 / Chapter 2.2 --- Farmland Shortage Problems in the Reservoir Region --- p.10 / Chapter 2.3 --- Terracing Systems in China --- p.11 / Chapter 2.4 --- Contour Hedgerows --- p.13 / Chapter 2.5 --- Sustainable Agriculture and its Development in China --- p.18 / Chapter Chapter Three --- Study Area / Chapter 3.1 --- The Three Gorges Reservoir Region --- p.22 / Chapter 3.2 --- Geographical Settings of Zigui County --- p.23 / Chapter 3.2.1 --- Geographical and Administrative Location --- p.23 / Chapter 3.2.2 --- Geology and Geomorphology --- p.24 / Chapter 3.2.3 --- Soils --- p.25 / Chapter 3.2.4 --- Climate --- p.25 / Chapter 3.2.5 --- Hydrology --- p.26 / Chapter 3.3 --- Socioeconomic Conditions of Zigui County --- p.26 / Chapter 3.3.1 --- Demography --- p.26 / Chapter 3.3.2 --- Educational Attainments --- p.27 / Chapter 3.3.3 --- Economic and Social Development --- p.27 / Chapter 3.4 --- Environmental Problems in Zigui and the Reservoir Region --- p.28 / Chapter Chapter Four --- Cost-benefit Analysis of Contour Hedgerows / Chapter 4.1 --- Introduction --- p.30 / Chapter 4.2 --- Methodology --- p.32 / Chapter 4.2.1 --- Trial Plot Design --- p.32 / Chapter 4.2.2 --- Cost-benefit Analysis --- p.35 / Chapter 4.2.3 --- Identification and Valuation of Costs --- p.35 / Chapter 4.2.4 --- Identification and Valuation of Benefits --- p.37 / Chapter 4.2.5 --- Discount Rate --- p.37 / Chapter 4.2.6 --- Time Horizon --- p.37 / Chapter 4.2.7 --- Cost-benefit Criterion --- p.38 / Chapter 4.3 --- Results and Discussion --- p.38 / Chapter 4.3.1 --- Investment Costs and Operating Costs --- p.38 / Chapter 4.3.2 --- Replacement Costs --- p.39 / Chapter 4.3.3 --- Benefits --- p.42 / Chapter 4.3.4 --- Net Present Values (NPVs) --- p.44 / Chapter 4.3.5 --- Sensitivity Analysis --- p.47 / Chapter 4.4 --- Conclusion --- p.48 / Chapter Chapter Five --- A Questionnaire Survey of the Comparative Performance of Various Farming Systems / Chapter 5.1 --- Introduction --- p.50 / Chapter 5.2 --- Methodology --- p.52 / Chapter 5.2.1. --- Sampling Method --- p.52 / Chapter 5.2.2. --- Questionnaire --- p.52 / Chapter 5.2.3. --- Analytical Technique --- p.53 / Chapter 5.3 --- Results and Discussion --- p.54 / Chapter 5.3.1. --- Background of Households and Farming Systems --- p.54 / Chapter 5.3.2. --- Net Returns --- p.57 / Chapter 5.3.3. --- Inputs of Inorganic Fertilizers and Organic Manure --- p.61 / Chapter 5.3.4. --- Labour Inputs --- p.64 / Chapter 5.3.5. --- Characteristics of Hedgerow Management --- p.65 / Chapter 5.4 --- Conclusion --- p.66 / Chapter Chapter Six --- An Interview Study of the Perception of Contour Hedgerows / Chapter 6.1 --- Introduction --- p.68 / Chapter 6.2 --- Methodology --- p.70 / Chapter 6.3 --- Results and Discussion --- p.72 / Chapter 6.3.1 --- Familiarity with Hedgerows --- p.72 / Chapter 6.3.2 --- Hedgerow Acceptance in Usage --- p.74 / Chapter 6.3.3 --- Factors of Hedgerow Implementation --- p.79 / Chapter 6.3.4 --- Variation of Agricultural Inputs and Outputs --- p.83 / Chapter 6.3.5 --- Values of Indigenous Knowledge --- p.86 / Chapter 6.3.6 --- Implications for Hedgerow Extension --- p.88 / Chapter 6.4 --- Conclusion --- p.90 / Chapter Chapter Seven --- Conclusion / Chapter 7.1 --- Summary of Findings --- p.92 / Chapter 7.2 --- Synthesis of the Study --- p.95 / Chapter 7.3 --- Limitations of the Study --- p.100 / Chapter 7.4 --- Suggestions for Further Studies --- p.101 / Bibliography --- p.104 / Appendix I: Structured Questionnaire --- p.122 / Appendix II: Interview Guide for Hedgerow Users --- p.131 / Appendix III: Interview Guide for Non-hedgerow Users --- p.134 / Appendix IV: Interview Guide for Government Officials --- p.137 / Appendix V: Index --- p.140 / "Appendix VI: Publication-Cost-benefit Analysis of Contour Hedgerow in the Three Gorges Region (Published in ´ب´بResources Science´ح，Vol26 Supplement,pp. 132-136)" --- p.145