Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"irrigation schemes"”.
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Pricing of water for community irrigation schemes in New Zealand
… early reasons for the development of community irrigation schemes by Government in New Zealand. The economics of scheme development and operation only became an issue in the 1970s although the price charged for water had caused concern in the various schemes before that. Because irrigation water …
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Evaluation of water governance systems for improved operation of selected small-holder irrigation schemes in Nzhelele Area, South Africa
Throughout the world, small-holder irrigation schemes are viewed as a key strategy for increasing agricultural productivity, sustaining rural livelihoods, adapting to climate variability and change, and reducing poverty in rural areas. South Africa prioritises the establishment, rehabilitation and …
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Farmer's attitudes towards the formation of cooperatives in rural areas: A study of irrigation schemes in Makhado Local Municipality
… Vhembe District in Limpopo Province. Three irrigation schemes were selected for the study, which consist of a total of 215 smallholder farmers. However, only 152 smallholder irrigation farmers were used for the study. The mixed research design method was used for this study. The sampling …
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Investigation factors contributing to the underperformance of Mbahela Irrigation Scheme that benefitted from the revitalisation of smallholder irrigation schemes programme
… Department of Agriculture revitalised several irrigation schemes in Limpopo Province between 2001 and 2008; however, most of them later collapsed again, while others are underutilised. Revitalisation of the collapsed and underutilised irrigation schemes was necessary because of the importance …
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Analysis of the constraints faced by small-scale farmers in achieving household food security a case study of Masholomoshe and Makwe Irrigation Schemes in Gwanda District, Matabeleland South Province
… analysed the constraints faced by small-scale irrigation farmers on household food security in drought prone agro-ecological region 5, Gwanda district. The study conducted a case study of Masholomoshe and Makwe irrigation schemes in Gwanda district of Matabeleland south province in Zimbabwe. …
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A salad bowl, salt and not a drop to drink: recipe for disaster? Three essays on the economic value of agricultural land in a changing environment
… northern Australia’s divertible surface water to irrigation, a scheme that would require significant investment in infrastructure for dam and canal construction. We estimate the benefits to northern Australia, using a Ricardian hedonic approach to forecast the economic value of constructing major …
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A salad bowl, salt and not a drop to drink: recipe for disaster? Three essays on the economic value of agricultural land in a changing environment
… northern Australia’s divertible surface water to irrigation, a scheme that would require significant investment in infrastructure for dam and canal construction. We estimate the benefits to northern Australia, using a Ricardian hedonic approach to forecast the economic value of constructing major …
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Remote sensing of croplands, crop productivity, and water use efficiency with a focus on smallholder systems in southern Africa
… to diverse farming systems such as smallholder irrigation schemes in southern Africa, and broadacre grain regions in Australia. This thesis deals with several aspects of geospatial analysis of croplands including mapping by image classification, estimation of crop Gross Primary Productivity, and …
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Remote sensing of croplands, crop productivity, and water use efficiency with a focus on smallholder systems in southern Africa
… to diverse farming systems such as smallholder irrigation schemes in southern Africa, and broadacre grain regions in Australia. This thesis deals with several aspects of geospatial analysis of croplands including mapping by image classification, estimation of crop Gross Primary Productivity, and …
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Atmospheric circulation and sea surface temperature anomalies during the dry summers of 2001/02, 2002/03 and 2003/04 in Southern Africa
… to households, industry, power stations and irrigation schemes (Davis, 1983). There are three types of drought {Thomas, 1965): meteorological, agricultural and hydrological droughts. Meteorological drought occurs when the rainfall is abnormally low. Agricultural drought exists when the soil …
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Beyond market failures : irrigation, the state, and non-traditional agricultures in Northeast Brazil
… heavy government investments in large-scale irrigation infrastructure. Findings show that the economic transformation of Petrolina-Juazeiro does not relate to market-friendly policies, nor can it be fully explained by government investments in public goods (irrigation infrastructure) or the …
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Estimating Sudan Nile Water Withdrawals During the 20th Century Using a Water Balance Approach
… underway construction of hydroelectric dams and irrigation schemes elsewhere in the basin, emphasizes the need for reasonable and equitable water sharing and transparent, cooperative water resource management among Nile River riparian countries in the coming decades.
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Assessing the impacts of climate change and adaptation strategies on smallholder farming in the Vhembe District, South Africa
… crop diversification; changing planting dates; irrigation and migrating to urban areas. The study recommends a framework that would include water conservation (rainfall harvesting); investment in irrigation schemes and other smart technologies that integrate indigenous knowledge systems and …
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Social vulnerabilities and adaptation options to climatic hazards affecting rural water supply in Barotse floodplain catchment.
… drilling and construction of water supply mini schemes. The study identified adaptation options that can help enhance the local communities’ resilience against climate change impacts on water supply. These include drilling of boreholes, introduction of irrigation schemes, household clustering, …
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Social vulnerabilities and adaptation options to climatic hazards affecting rural water supply in Barotse floodplain catchment.
… drilling and construction of water supply mini schemes. The study identified adaptation options that can help enhance the local communities’ resilience against climate change impacts on water supply. These include drilling of boreholes, introduction of irrigation schemes, household clustering, …
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An appraisal of experiences of climate change and adaptive response to heat stress by farmers in rural Ghana
… will be necessary for government to provide more irrigation schemes for farmers. This will prevent them from using their manual energy to draw water from hand dug boreholes, which requires a farmer to spend many hours in hot and humid conditions.
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A management study of irrigation farming in the Ashburton-Lyndhurst scheme of Mid-Canterbury
Throughout the world, irrigation is used to raise the productive capacity of the soil, where soil moisture is a limiting factor. Many irrigation areas can not achieve any production without the supplementation of soil moisture, while others employ irrigation as a profitable means of boosting the …
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NeuroFuzzy modelling for conflict resolution in irrigation management
Management of large-scale irrigation schemes is more complicated than commonly recognized. Irrigation management involves complicated social, organizational, legal, and economical issues in addition to the undoubtedly important technical matters and environmental aspects. Management decisions have …
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Land-use effects on plant biodiversity and carbon cycling in seasonally dry tropical forests in north-eastern Brazil
… In areas near the Itaparica Reservoir, irrigation farming is conducted with perennial plants such as coconut, banana, guava, and mango and annual crops such as onion and melon being the most common crop species. Here, typical problems such as a high usage of agrochemicals and an improper …
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The development and application of analytical techniques for planning of irrigation systems
Computer-based techniques for assessment of irrigation water supply and demand are illustrated using a 140 x 75 km discrete element representation of the Canterbury Plain, New Zealand. A versatile soil moisture accounting model is developed and used to simulate soil moisture status throughout the …
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