Ng Chi Chung. / Thesis (M.Phil.)--Chinese University of Hong Kong, 1993. / Includes bibliographical references (leaves 126-143). / Abstract --- p.i / Acknowledgements --- p.iii / Lists of Tables --- p.vii / Lists of Figures --- p.ix / Chapter Chapter 1 --- Introduction / Chapter 1.1 --- Introduction --- p.1 / Chapter 1.2 --- Importance of soil physical properties to plant growth --- p.2 / Chapter 1.3 --- Importance of organic matter to soil physical properties --- p.5 / Chapter 1.4 --- Chemical composition of sewage sludge and spent sawdust litter and their disposal --- p.6 / Chapter 1.5 --- Objectives --- p.9 / Chapter 1.6 --- Significance of the study --- p.10 / Chapter Chapter 2 --- Literature Reviews / Chapter 2.1 --- Influence of organic wastes on soil organic matter --- p.12 / Chapter 2.2 --- Influence of organic wastes on soil aggregate stability --- p.15 / Chapter 2.3 --- Influence on bulk density and total porosity --- p.21 / Chapter 2.4 --- Influence on field capacity and water holding capacity --- p.23 / Chapter 2.5 --- Influence on soil water intake and in situ soil moisture content --- p.27 / Chapter 2.6 --- Influence on mechanical resistance --- p.28 / Chapter Chapter 3 --- Methodology / Chapter 3.1 --- Study site --- p.30 / Chapter 3.2 --- Treatments --- p.30 / Chapter 3.3 --- Soil sampling --- p.32 / Chapter 3.4 --- Methodology / Chapter 3.41 --- Organic carbon --- p.33 / Chapter 3.42 --- Aggregate stability --- p.34 / Chapter 3.43 --- Bulk density --- p.37 / Chapter 3.44 --- Field capacity --- p.37 / Chapter 3.45 --- Water characteristics curve --- p.38 / Chapter 3.46 --- Infiltration --- p.38 / Chapter 3.47 --- Water release property --- p.39 / Chapter 3.48 --- Mechanical resistance --- p.39 / Chapter 3.5 --- Statistical analysis --- p.39 / Chapter Chapter 4 --- Effect on Soil Aggregate Stability / Chapter 4.1 --- Introduction --- p.41 / Chapter 4.2 --- Results / Chapter 4.21 --- Effect on soil organic matter content --- p.45 / Chapter 4.22 --- Change in organic matter content under continuous cultivation --- p.46 / Chapter 4.23 --- Effect on aggregate stability under continuous cultivation --- p.47 / Chapter 4.24 --- The relationship between percentage aggregate stability and the amount of organic matter --- p.49 / Chapter 4.3 --- Discussion --- p.52 / Chapter 4.4 --- Conclusions --- p.60 / Chapter Chapter 5 --- "Effect on Bulk Density, Total Porosity and Mechanical Resistance" / Chapter 5.1 --- Introduction --- p.62 / Chapter 5.2 --- Results / Chapter 5.21 --- Change in bulk density and total porosity --- p.65 / Chapter 5.22 --- Change in bulk density and total porosity under continuous cultivation --- p.66 / Chapter 5.23 --- Change in bulk density and total porosity in relation to organic matter content and aggregate stability --- p.67 / Chapter 5.24 --- Change in mechanical resistance --- p.69 / Chapter 5.3 --- Discussion --- p.71 / Chapter 5.4 --- Conclusions --- p.77 / Chapter Chapter 6 --- Effect on soil water retention / Chapter 6.1 --- Introduction --- p.80 / Chapter 6.2 --- Results / Chapter 6.21 --- Field capacity and change between the second and the fourth harvest --- p.82 / Chapter 6.22 --- Relationship between field capacity and organic matter content --- p.84 / Chapter 6.23 --- Water characteristics curve --- p.84 / Chapter 6.24 --- Change in water characteristics curve between the second and the fourth harvest --- p.88 / Chapter 6.25 --- The relationship between water holding capacity and organic matter content --- p.91 / Chapter 6.26 --- Change in available water capacity and its relationship with organic matter content --- p.92 / Chapter 6.3 --- Discussion / Chapter 6.31 --- Change in field capacity --- p.95 / Chapter 6.32 --- Change in water holding capacity and available water capacity --- p.97 / Chapter 6.4 --- Conclusions --- p.100 / Chapter Chapter 7 --- Effect on Infiltration and Water Release Property / Chapter 7.1 --- Introduction --- p.102 / Chapter 7.2 --- Results / Chapter 7.21 --- Infiltration and its change under continuous cultivation --- p.103 / Chapter 7.22 --- Water release property --- p.109 / Chapter 7.3 --- Discussion --- p.112 / Chapter 7.4 --- Conclusions --- p.117 / Chapter Chapter 8 --- Conclusion / Chapter 8.1 --- Summary of findings --- p.118 / Chapter 8.2 --- Implication of the study --- p.122 / Chapter 8.3 --- Further studies --- p.123 / References --- p.126
| Identifer | oai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_319216 |
| Date | January 1993 |
| Contributors | Ng, Chi Chung., Chinese University of Hong Kong Graduate School. Division of Geography. |
| Publisher | Chinese University of Hong Kong |
| Source Sets | The Chinese University of Hong Kong |
| Language | English |
| Detected Language | English |
| Type | Text, bibliography |
| Format | print, x, 143 leaves : ill. ; 30 cm. |
| Coverage | China, Hong Kong |
| Rights | Use of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/) |
Page generated in 0.0024 seconds