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Showing items 1 through 9 of 10.
  1. Library Resource
    Journal Articles & Books
    December, 2011

    The core of this paper consists of an analysis of the forces and conducive conditions which historically have driven the drainage development of agricultural land. Such forces and conditions are recognised at three levels of discretion: (i) the generic level (ii) the government level (iii) the on‐farm level. The drainage development for salinity control of irrigated land in the (semi) arid zone is treated as a special case of drainage development driven by its own specific forces and considerations.

  2. Library Resource
    Journal Articles & Books
    December, 2011

    Waterlogging is a challenge to wheat (Triticum durum Desf.) productivity under the rainfed system on Vertisols in the Ethiopian Highlands. However using suitable seedbed types and manipulating planting dates can minimize the effects. A four‐year (2000–2003) field experiment was conducted to evaluate three seedbed types broad bed and furrows (BBF) with early planting the traditional ridge and furrows (RF) and its modified version (wide ridge and furrows (WRF)) both under early and late planting in terms of water productivity of wheat.

  3. Library Resource
    Journal Articles & Books
    December, 2011

    Although sustainable land management (SLM) is widely promoted to prevent and mitigate land degradation and desertification, its monitoring and assessment (M&A) has received much less attention. This paper compiles methodological approaches which to date have been little reported in the literature. It draws lessons from these experiences and identifies common elements and future pathways as a basis for a global approach. The paper starts with local level methods where the World Overview of Conservation Approaches and Technologies (WOCAT) framework catalogues SLM case studies.

  4. Library Resource
    Journal Articles & Books
    December, 2011
    Ethiopia

    A study was conducted in the Ambo district of western Ethiopia in 2006 to understand the poverty reduction impacts of small-scale irrigation development, using the Indris irrigation system as a case study. The study was based on a survey of representative farm households with and without access to irrigation. The total sample size for the study was 222 (107 households with access to irrigation and 115 without). Data were analysed using descriptive statistics, the Foster, Greer and Thobeck poverty indices, and Heckman's selectivity model.

  5. Library Resource
    Journal Articles & Books
    December, 2011
    Uzbekistan

    Irrigated agriculture is widespread in the Central Asian drylands and important for food security of the region. However irrigation practices based on rules made for cotton production on large units do not provide adequate guidance for the now widespread small farms that produce cotton wheat and rice. Excessive unsustainable water use is the consequence. Land and water resource management practices were analysed in 2006 for the irrigated area (approx. 1885 ha) of a water users' association (WUA) as a case study.

  6. Library Resource
    Journal Articles & Books
    December, 2011
    Yemen

    In this paper options for changing the incentive structure to reduce unsustainable groundwater consumption in Yemen are evaluated. Special attention is paid to incentives that decrease the profitability of irrigation water use and subsidies on improved irrigation technology.

  7. Library Resource
    Journal Articles & Books
    December, 2011
    Pakistan, Yemen, Eritrea

    Spate irrigation, a floodwater harvesting and management system, has for the past 70 centuries provided a livelihood for about 13 million resource-poor people in some 20 countries. Despite being the oldest, the system still remains the least studied and the least understood. It is only in the past two decades that the system has been subject to some modernization interventions, much of which focused on improving floodwater diversion efficiency.

  8. Library Resource
    Journal Articles & Books
    December, 2011
    India, Egypt, Pakistan

    In this paper, the role of subsurface drainage in irrigated agriculture in semi-arid and arid regions is discussed based on experiences obtained in Egypt, India and Pakistan. Agriculture in these countries is predominantly practiced by small, marginal farmers with landholdings of often less than one hectare. In general, they do not have the means to pay for the investments in irrigation and drainage themselves. Consequently, most irrigation and drainage projects are funded by the (local) governments.

  9. Library Resource
    Journal Articles & Books
    December, 2011
    Cameroon, Africa

    The Sanaga River is one of Sub-Saharan Africa's largest and greatly regulated rivers. Available flow data for this hydrosystem largely cover the pre- and post-regulation periods. From comparisons between unregulated (hypothetical) and observed scenarios, it has been possible to separate and to quantify hydro-climatic (groundwater + rainfall) change effects from anthropogenic impacts (especially dam-related alterations).

  10. Library Resource
    Journal Articles & Books
    December, 2011
    Netherlands

    Climate change, food crises and deterioration of the environment create immense challenges in water management. In the Netherlands land subsidence, high population density and intensity of land use aggravate these problems. Increased awareness of these problems and civil society's participation in the discussions complicate these challenges. The Netherlands' Government Service for Land and Water Management (DLG), an organisation specialising in integrated land development, has tackled these problems at a regional/local scale.

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