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Author : Michael Mortimore,Beryl Turner
Publisher : Unknown
Page : 40 pages
File Size : 44,9 Mb
Release : 1993
Category : Agricultural systems
ISBN : WISC:89053489969
Author : Michael Mortimore
Publisher : Unknown
Page : 194 pages
File Size : 46,8 Mb
Release : 1991
Category : Agricultural systems
ISBN : WISC:89044336493
Author : J. M. Powell
Publisher : ILRI (aka ILCA and ILRAD)
Page : 54 pages
File Size : 47,7 Mb
Release : 1994-01-01
Category : Agricultural ecology
ISBN : 9789290532910
Conference summary; Summary of plenary sessins; Opening session; Interactions between animals and plants; Interactions between animals and soils; Interactions between plant and soils; Nutrient cycling in mixed farming systems; Modelling nutrient cycles; Closing session; Summary of focus group sessions; Introduction; Animal-plant interactions; Animal-soil interacions; Socio-economic dimensions in nutrient cycling.
Author : J. M. Powell
Publisher : ILRI (aka ILCA and ILRAD)
Page : 543 pages
File Size : 40,6 Mb
Release : 1994-01-01
Category : Agricultural ecology
ISBN : 9789290532941
Technical papers. Setting the scene. Interactions between animals and plants. Interactions between animals and soils. Interactions between plants and soils. Nutrient cycling in mixed farming systems. Modelling nutrient cycles in plant/animal/soil systems.
Author : Descheemaeker, Katrien,Amede, Tilahun,Haileslassie, A.
Publisher : IWMI
Page : 45 pages
File Size : 44,5 Mb
Release : 2009-06-25
Category : Livestock
ISBN : 9789290907022
Focusing on mixed crop-livestock farming systems of sub-Saharan Africa, this review brings together the available knowledge in the various components of the livestock and water sectors. Through an analysis of livestock-water interactions, promising strategies and interventions to improve Livestock Water Productivity are proposed. In the biophysical domain, the numerous interventions relate to feed, water and animal management. These are interlinked with interventions in the socio-political-economic domain. The paper identifies critical research and development gaps in terms of methodologies for quantifying water productivity and integrating different scales, and also in terms of institutions and policies.
Author : Winrock International Institute for Agricultural Development
Publisher : Winrock International Institute for Agricultural Development
Page : 156 pages
File Size : 54,6 Mb
Release : 1992
Category : Business & Economics
ISBN : WISC:89049481633
Author : A. Ker,International Development Research Centre (Canada)
Publisher : IDRC
Page : 177 pages
File Size : 48,9 Mb
Release : 1995
Category : Agricultural systems
ISBN : 9780889367937
Farming Systems of the African Savanna: A continent in crisis
Author : International Livestock Centre for Africa
Publisher : ILRI (aka ILCA and ILRAD)
Page : 100 pages
File Size : 54,5 Mb
Release : 1988-01-01
Category : Animal industry
ISBN : 9290530960
Author : John McIntire,Daniel Bourzat,Prabhu L. Pingali
Publisher : World Bank Publications
Page : 272 pages
File Size : 46,6 Mb
Release : 1992
Category : Business & Economics
ISBN : STANFORD:36105008713682
This book is the result of a collaborative research effort between the World Bank and the International Livestock Centre for Africa. It extends previous work on agricultural mechanization and the evolution of farming systems in Africa by seeking to answer a number of basic questions about the integration of crops and livestock in sub - Saharan Africa. Those questions include the role of mixed farming in promoting agricultural growth, the appropriate points at which to encourage the use of animals as sources of farm power, the contribution of animals to improving the poor fertility of African soils, the efficacy of different methods to better livestock nutrition, and the economic returns to incorporating livestock production on small farms. While many individual studies have analyzed such issues in the past, this book is the first comprehensive review of existing knowledge which offers general explanations of crop-livestock relations with respect to both economic and technical features of African agriculture. In doing so, experimental evidence is carefully synthesized and examined in light of field visits to thirty-three different sites through the major agroclimates of sub - Saharan Africa. The detailed empirical nature of the book permits specific conclusions to be drawn for different farming systems, while its comparisons across those systems allow broad explanations of contrasting crop-livestock interactions.
Author : Hans E. Jahnke
Publisher : Unknown
Page : 318 pages
File Size : 55,6 Mb
Release : 1982
Category : Agriculture
ISBN : WISC:89031125131
Author : International Livestock Centre for Africa
Publisher : ILRI (aka ILCA and ILRAD)
Page : 596 pages
File Size : 52,5 Mb
Release : 1986-01-01
Category : Agricultural systems
ISBN : 9290530804
Author : International Livestock Centre for Africa
Publisher : ILRI (aka ILCA and ILRAD)
Page : 238 pages
File Size : 52,5 Mb
Release : 1994-01-01
Category : Animal industry
ISBN : 9290532823
Agro-ecological zones of sub-Saharan Africa; ILCA in Africa; Important mile-stones in ILCA's history; Origins and mandate; The proposed shape of the Centre; Location of the Centre; Task forces and their reports; The early years: focus on systems descriptions; Systems research; Agro-ecological zones; Zonal research programmes; Studies in the highlands; Studies in the humid zone; Studies in the subhumid zone; Studies in the semi-arid zone; Monitoring development projects; Complementary studies; Training and information; First quinquennial review of ILCA; Systems description and component research: ILCA's programme matures; Highlands; Humid zone; Subhumid zone; Semi-arid zone; Ethiopian rangelands; Kenyan rangelands; Central research and support units; Training and information; A new focus to ILCA's research; ILCA's strategy and long-term plan; From strategy to medium-term plan; ILCA's programme, 1987-93; Cattle milk and meat thrust; Small ruminant meat and milk thrust; Animal traction thrust; Animal feed resources thrust; Trypanotolerance thrust; Livestock policy and resource use thrust; ILCA's second medium-term plan, 1994-98; Factors influencing ILCA's second medium-term plan; Developing the programme; ILCA's seven programme themes; MTP reviewed and approved; Moves towards a global livestock research institute; Livestock steering committee; Moves towards a new shape; Benefits for livestock producers world-wide.
Author : International Livestock Centre for Africa
Publisher : ILRI (aka ILCA and ILRAD)
Page : 68 pages
File Size : 49,5 Mb
Release : 1992-01-01
Category : Animal industry
ISBN : 9290532017
Author : Aldo Stroebel
Publisher : Unknown
Page : 412 pages
File Size : 55,7 Mb
Release : 2004
Category : Farms, Small
ISBN : CORNELL:31924097729101
Author : Tom Walker
Publisher : World Bank Publications
Page : 136 pages
File Size : 55,7 Mb
Release : 2016-08-17
Category : Business & Economics
ISBN : 9781464808975
More than 200 million people living in dryland regions of Sub-Saharan Africa make their living from agriculture. Most are exposed to weather shocks, especially drought, that can decimate their incomes, destroy their assets, and plunge them into a poverty trap from which it is diffi cult to emerge. Their lack of resilience in the face of these shocks can be attributed in large part to the poor performance of agriculture on which their livelihood depends. Opportunities exist to improve the fortunes of farming households in the drylands. Improved farming technologies that can increase and stabilize the production of millet, sorghum, maize, and other leading staples are available. Irrigation is technically and economically feasible in some areas and offers additional opportunities to increase and stabilize crop production, especially small-scale irrigation, which tends to be more affordable and easier to manage. Yet many of these opportunities have not been exploited on a large scale, for reasons that include lack of farmer knowledge, nonavailability of inputs, unfavorable price incentives, high levels of production risk, and high cost. Future production growth in drylands agriculture is expected to come mainly from raising yields and increasing the number of crop rotations on land that is already being cultivated (intensifi cation), rather than from bringing new land into cultivation (extensifi cation). Controlling for rainfall, average yields in rainfed cropping systems in Sub-Saharan Africa are still much lower than yields in rainfed cropping systems in other regions, suggesting that there is considerable scope to intensify production in these systems. Furthermore, unlike in other regions, production of low-value cereals under irrigation is generally not economic in Sub-Saharan Africa unless the cereals can be grown in rotation with one or more high-value cash crops. The long-run strategy for drylands agriculture, therefore, must be to promote production of staples in rainfed systems and production of high-value cereals (for example, rice), horticultural cops, and industrial crops in irrigated systems. Based on a detailed review of currently available technologies, Improved Crop Productivity for Africa’s Drylands argues that improving the productivity and stability of agriculture in the drylands has the potential to make a signifi cant contribution to reducing vulnerability and increasing resilience. At the same time, it is important to keep in mind that in an environment characterized by limited agro-climatic potential and subject to repeated shocks, farming on small land holdings may not generate suffi cient income to bring people out of poverty.