![]() | Design and Operation of Smallholder Irrigation in South Asia (WB, 1995, 134 p.) |
![]() | ![]() | (introduction...) |
![]() | ![]() | Foreword |
![]() | ![]() | Abstract |
![]() | ![]() | Chapter 1 - Introduction |
![]() | ![]() | Chapter 2 - Profile of the smallholder |
![]() | ![]() | Fractionation and consolidation of the smallholding |
![]() | ![]() | Smallholder attitude toward farmer-owned and government systems |
![]() | ![]() | Cultivator willingness to undertake more intensive cultivation |
![]() | ![]() | Smallholder attitude toward credit |
![]() | ![]() | Theft and vandalism of control structures |
![]() | ![]() | Chapter 3 - Land shaping and water distribution at the field level |
![]() | ![]() | Land shaping by the cultivator vs. institutionally |
![]() | ![]() | Land shaping and water management in smallholder irrigation |
![]() | ![]() | Land shaping as a project component |
![]() | ![]() | Chapter 4 - Water supply and demand |
![]() | ![]() | Degree of storage regulation |
![]() | ![]() | Intensity of irrigation |
![]() | ![]() | Crop water requirements and crop water response |
![]() | ![]() | Effective rainfall |
![]() | ![]() | The particular case of water requirements for paddy |
![]() | ![]() | Chapter 5 - Cropping patterns in irrigation design |
![]() | ![]() | The degree of control of selection of crops |
![]() | ![]() | Cropping pattern design and project formulation |
![]() | ![]() | Chapter 6 - Irrigability |
![]() | ![]() | Soil surveys and land classification |
![]() | ![]() | Soil constituents |
![]() | ![]() | Soils problems on irrigation |
![]() | ![]() | (introduction...) |
![]() | ![]() | Saline and alkaline soils |
![]() | ![]() | Expansive days |
![]() | ![]() | Gypsiferous soils |
![]() | ![]() | Acid sulphate soils (cat clays) |
![]() | ![]() | Podzols |
![]() | ![]() | Lateritic soils |
![]() | ![]() | Dune sands |
![]() | ![]() | Chapter 7 - Canal systems for smallholder irrigation |
![]() | ![]() | Introduction and definitions |
![]() | ![]() | (introduction...) |
![]() | ![]() | Designing for variable supply |
![]() | ![]() | Varying demand within the service area |
![]() | ![]() | Allocation of water and establishing water charges |
![]() | ![]() | Capacity of primary and secondary canals and size of irrigation area |
![]() | ![]() | Distribution at the tertiary level |
![]() | ![]() | Background |
![]() | ![]() | Tertiary system design for non-paddy crops |
![]() | ![]() | Tertiary system design for areas primarily under paddy |
![]() | ![]() | Tertiary system design for mixed cropping |
![]() | ![]() | Layout of tertiary channels |
![]() | ![]() | Chapter 8 - Hydraulics of canal regulation and types of control structures |
![]() | ![]() | Background |
![]() | ![]() | Downstream control with limited demand |
![]() | ![]() | Upstream control with rotational delivery |
![]() | ![]() | Hydraulic controls on secondary and tertiary canals |
![]() | ![]() | Downstream control |
![]() | ![]() | Upstream control |
![]() | ![]() | Hydraulic controls on primary canals |
![]() | ![]() | Production of small hydraulic structures |
![]() | ![]() | Chapter 9 - Operation and maintenance |
![]() | ![]() | Introduction |
![]() | ![]() | Inadequate budget for O and M |
![]() | ![]() | Desilting of canals |
![]() | ![]() | Weed control in canals |
![]() | ![]() | Operation of partially completed systems |
![]() | ![]() | Night irrigation |
![]() | ![]() | Monitoring of project performance |
![]() | ![]() | Application of computers to irrigation system operation |
![]() | ![]() | Social and political pressures in system operation |
![]() | ![]() | Chapter 10 - Durability of canal linings |
![]() | ![]() | Reasons for lining |
![]() | ![]() | Causes of deterioration canal linings |
![]() | ![]() | Construction materials for primary and secondary canal linings |
![]() | ![]() | Construction materials and production methods of tertiary canal linings |
![]() | ![]() | Chapter 11 - Construction and maintenance problems of drainage works |
![]() | ![]() | Drainage and the cultivator |
![]() | ![]() | Formal and informal tertiary drainage systems |
![]() | ![]() | Subsurface field drainage |
![]() | ![]() | Primary and secondary drainage |
![]() | ![]() | Chapter 12 - Cultivator organizations |
![]() | ![]() | Cultivator organizations in irrigation system operation |
![]() | ![]() | Traditional organization in village-level irrigation schemes |
![]() | ![]() | Projection from the village-level organization to cultivator organizations in public systems |
![]() | ![]() | Experience and problems with water user groups in public irrigation systems |
![]() | ![]() | Chapter 13 - Village schemes and small tank projects |
![]() | ![]() | Background |
![]() | ![]() | Farmer-constructed diversion systems |
![]() | ![]() | Village schemes with storage |
![]() | ![]() | Chapter 14 - Groundwater development |
![]() | ![]() | Introduction |
![]() | ![]() | Small, individually-owned, suction-mode wells |
![]() | ![]() | Individually owned and group owned force-mode wells |
![]() | ![]() | Large capacity public tubewells |
![]() | ![]() | Technical problems in design and construction of medium and large tubewells |
![]() | ![]() | Water distribution from medium tubewells |
![]() | ![]() | Functions of the tubewell operator |
![]() | ![]() | Power supply problems |
![]() | ![]() | Comparison of medium and large wells |
![]() | ![]() | Chapter 15 - Conjunctive use of surface and groundwater |
![]() | ![]() | Definitions |
![]() | ![]() | Direct conjunctive use |
![]() | ![]() | Indirect conjunctive use |
![]() | ![]() | Chapter 16 - Pumped lift irrigation distribution |
![]() | ![]() | Background |
![]() | ![]() | The application of individually owned small pumping units |
![]() | ![]() | Centralized pumped-lift systems |
![]() | ![]() | Chapter 17 - Technical and operational improvements in rehabilitation of irrigation projects |
![]() | ![]() | Introduction |
![]() | ![]() | The dam and reservoir |
![]() | ![]() | The canal system |
![]() | ![]() | Drainage |
![]() | ![]() | Introduction of high technology irrigation methods |
![]() | ![]() | Chapter 18 - Ecological and riparian factors in irrigation development |
![]() | ![]() | Introduction |
![]() | ![]() | Ecological issues in groundwater development |
![]() | ![]() | Surface water development |
![]() | ![]() | Riparian issues |
![]() | ![]() | References |
![]() | ![]() | Distributors of world bank publications |