Search for dissertations about: "on-farm management"

Showing result 1 - 5 of 16 swedish dissertations containing the words on-farm management.

  1. 1. Irrigation water management : A performance study of the Rahad scheme in Sudan, 1977-1996

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Nighisty Ghezae; [1998]
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Economic history; Rahad scheme; irrigation management; water supply activities; agricultural extension activity; performance assessment; main system management; on-farm management; organizational structure; Ekonomisk historia; HUMANITIES and RELIGION History and philosophy subjects History subjects Economic history; HUMANIORA och RELIGIONSVETENSKAP Historisk-filosofiska ämnen Historieämnen Ekonomisk historia; Ekonomisk historia; Economic History;

    Abstract : The central objectives of this study is to assess the performance of irrigation water management of the Rahad scheme in Sudan between 1977 and 1996.The study assesses how well the scheme has succeeded in achieving irrigation management objectives using the criteria of productivity, equity, cost recovery and environmental stability. READ MORE

  2. 2. On-farm agrohydrological analysis of the Sahelian yield crisis : rainfall partitioning, soil nutrients and water use efficiency of pearl millet

    University dissertation from Stockholm : Stockholms universitet

    Author : Johan Rockström; Jim Wallace; [1997]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES; NATURVETENSKAP; Natural Resources Management; naturresurshushållning;

    Abstract : Sub-Saharan Africa is presently experiencing a steadily aggravated food security crisis. This crisis is a result of a rapidly growing population combined with insignificant yield increases of the major cereal crops maize, millet and sorghum, during the last decades. READ MORE

  3. 3. Water harvesting for resilience building in the Sahel : on-farm supplemental irrigation and soil fertility management for dry spell mitigation of sorghum

    University dissertation from Stockholm : Stockholm University

    Author : Patrick Fox; [2003]
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; water harvesting; rained farming; soil water content; burkina faso; Bevattning; Afrika; Sahel;

    Abstract : .... READ MORE

  4. 4. Dry spell mitigation to upgrade semi-arid rainfed agriculture Water harvesting and soil nutrient management for smallholder maize cultivation in Machakos, Kenya

    University dissertation from Stockholm : Institutionen för systemekologi

    Author : Jennie Barron; Carl Folke; Theib Oweis; [2004]
    Keywords : ;

    Abstract : Improvements in on-farm water and soil fertility management through water harvesting may prove key to up-grade smallholder farming systems in dry sub-humid and semi-arid sub-Sahara Africa (SSA). The currently experienced yield levels are usually less than 1 t ha-1, i.e. READ MORE

  5. 5. Traps and transformations : Exploring the potential of water system innovations in dryland sub-Saharan Africa

    University dissertation from Stockholm : Department of Systems Ecology, Stockholm University

    Author : Elin Enfors; Line Gordon; Christian Valentin; [2009]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; smallholder farming; water system innovations; agricultural droughts; multi-functional landscapes; development trajectories; uncertainty; NATURAL SCIENCES; NATURVETENSKAP; Natural Resources Management; naturresurshushållning;

    Abstract : In semi-arid and dry sub-humid sub-Saharan Africa (SSA), high poverty levels and a heavy reliance on small-scale rainfed agriculture make rural livelihoods difficult. Upgrading current farming systems, in a way that safeguards productivity beyond field-scale, is urgent. READ MORE