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This paper uses data from a 1998 survey of farming households in Nakuru district, Kenya to explore factors influencing soil fertility management decisions of smallholder farmers in Africa. The modeling strategy builds on results of research in soil science that point to the joint determination of...


Omamo, S.W.Williams, J.C.Obare, G.A.Ndiwa, Nicholas N.[Soil fertility management on small farms in Africa: Evidence from Nakuru district, Kenya]Soil fertility management on small farms in Africa: Evidence from Nakuru district, Kenya

Poverty is a rural dilemma and continues to be a persistent multidimensional problem. It is associated with poor farmers, small farm systems, the landless, resource endowments, the socioeconomic environment and externalities. Over 75% of the poor live and work in rural areas, trapped in a poverty...


Devendra, C.Chantalakhana, C.[Animals, poor people and food insecurity: Opportunities for improved livelihoods through efficient natural resource management]Animals, poor people and food insecurity: Opportunities for improved livelihoods through efficient natural resource management
Autor: Irvin, A.D.

Livestock disease is only one of a number of constraints to improving productivity in smallholder systems, and research is only one approach to alleviating that constraint. However, within the correct context, animal health research that alleviates the constraint of disease can bring enormous ben...


Irvin, A.D.[A holistic approach to animal health research: Increasing livestock production under disease challenge]A holistic approach to animal health research: Increasing livestock production under disease challenge

The role of livestock in nitrogen cycling in mixed crop-livestock farming systems of sub-Saharan Africa was explored. Cattle were fed a range of diets to investigate the effects on partitioning of nitrogen between urine and faeces and on the chemical composition of the manures produced. The trade...


Delve, Robert J.Cadisch, GeorgTanner, J.C.Thorpe, W.R.Thorne, Peter J.Giller, Ken E.[Implications of livestock feeding management on soil fertility in the smallholder farming systems of sub-Saharan Africa]Implications of livestock feeding management on soil fertility in the smallholder farming systems of sub-Saharan Africa

The integration of crop and animal production is well developed in the farming systems of Asia, particularly those in small-scale agriculture. There is marked complementarity in resource use in these systems, with inputs from one sector being supplied to others. Specific examples of the main crop...


Devendra, C.Thomas, D.[Crop-animal interactions in mixed farming systems in Asia]Crop-animal interactions in mixed farming systems in Asia
Autor: Devendra, C.

Smallholder dairy production systems in developing countries are discussed with reference to type of systems, their characteristics, potential, and opportunities for improvement. Three types of dairy systems are identified and described: smallholder systems, smallholder cooperative dairy producti...


Devendra, C.[Smallholder dairy production systems in developing countries: Characteristics, potential and opportunities for improvement. Review]Smallholder dairy production systems in developing countries: Characteristics, potential and opportunities for improvement. Review

Conventional productivity evaluation criteria are inadequate to evaluate subsistence livestock production, because: (1) they fail to capture non-marketable benefits of the livestock; and (2) the core concept of a single limiting input is inappropriate to subsistence production, as multiple limiti...


Ayalew, W.King, J.M.Bruns, E.Rischkowsky, Barbara A.[Economic evaluation of smallholder subsistence livestock production: Lessons from an Ethiopian goat development program]Economic evaluation of smallholder subsistence livestock production: Lessons from an Ethiopian goat development program

Liberalisation in the dairy industry in Kenya is currently under way in several forms. The urban milk market monopoly of the Kenya Co-operative Creameries has been lifted. Clinical veterinary and artificial insemination (AI) services are no longer publicly supported in many areas. Private sector ...


Owango, M.O.Lukuyu, Ben A.Staal, Steven J.Kenyanjui, M.Njubi, D.Thorpe, W.R.[Dairy co-operatives and policy reform in Kenya: Effects of livestock service and milk market liberalisation]Dairy co-operatives and policy reform in Kenya: Effects of livestock service and milk market liberalisation
Autor: Jutzi, S.C.

On the basis of an analysis of 2127 reports on animal feed research and development from seven national programmes in eastern and southern Africa, this paper intends to give a profile of animal feed research in the area since meaningful records have been available, to establish major trends in th...


Jutzi, S.C.[Animal feed research in eastern and southern Africa; priorities and trends]Animal feed research in eastern and southern Africa; priorities and trends

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