Majority of the rural households in Kenya depend on agriculture as a source of food and livelihood. Agricultural productivity has been declining due to many factors resulting in increased food insecurity in the country. Consequently, there is a renewed interest in promoting drought-tolerant crops such as sorghum which thrives in the arid and semiarid lands of the developing world. However, performance of sorghum production among the smallholder farmers has still remained low. This study was thus carried out to identify factors that influence technical efficiency of sorghum production among smallholder farmers in Machakos and Makindu districts of the lower eastern Kenya. Collected data on farm and farmer characteristics were analysed by use of descriptive statistics and Tobit model. Result highlights show that technical efficiency was influenced positively by formal education level of the household, experience in sorghum farming, membership in farmers associations, use of hired labour, production advice, and use of manure. Surprisingly household size, meant to enhance labour, had a negative influence. To increase technical efficiency, efforts should focus on improving information flows on agronomic practices. Farmers should also be encouraged to form and actively participate in various farmers associations, which enhance learning and pooling of labour resources, hence improving technical efficiency.

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This study determined the change and distribution of land-uses/covers along the landscape, and evaluated the nutrient status of the top soil layer in the Lake Kivu Pilot Learning Site (LKPLS) benchmarked micro-catchments. Soil physical and chemical properties were quantified using triplicate soil samples collected from each land-use/cover at two depths (0-15 and 15-30 cm) in three LK PLS Learning Innovation Platform (IP) sites (Bufundi in Uganda, Mupfuni-Shanga in D.R. Congo, Gataraga in Rwanda). Small scale agriculture has increased in all the benchmarked micro-catchments at the expense of other land-uses/covers. In the settlement areas land-use/cover distribution along the landscape varied across sites and countries; the major one being eucalyptus woodlots, wetland, and perennials and annuals crops in Bufundi; annuals and perennials crops in Mupfuni-Shanga; and annuals crops in Gataraga. Perennial crops tended to occur at the footslope and valley bottoms, while the annuals occurred at the upper backslopes and summits. Available P and K were relatively higher and C/N ratio (7.28) was the lowest in Mupfuni Shanga. Annual crops had the lowest available P and N across site ( < 0.05). The key nutrients N, P and K were below the critical values for plant growth for Bufundi.

Purpose The purpose of this paper is to demonstrate that agricultural commodity value chain development using multi-stakeholder partnerships (MSPs) can fast-track improvement in the livelihoods of rural farming households. With the view that such partnerships can raise farmers’ incomes, the study uses the case of the organic pineapple (OP) value chain in Ntungamo, Western Uganda, to understand the governance features that hold the value chain partners together, to analyse the costs and margins to the participating farmers, to identify opportunities for demand-driven upgrading of the farmers’ skills and knowledge, and the role that partnerships play in such upgrading. Design/methodology/approach The study uses the qualitative tools of value chain analysis: value chain maps of stakeholders, processes and support services of the OP value chain, and a quantitative tool to analyse costs and margins to the participating farmers. Interviews were conducted with key informants from the OP innovation platform, and survey data collected for the planting season, February–July, 2014, across three farmer categories of certified organic, conventional, and farmers not participating in the innovation platform. Findings Careful selection of partnerships to develop the value chain is found to be critical. Partners to involve should be those that enable the upgrading of farmers’ knowledge, skills and technologies to position them for better markets. Partners should also include those that enable the improvement of margins to the farmers and efficiency of the value chain. The strategic MSPs should be bound by formal contracts, to ensure stable relationships in the value chain and hence sustainable market access for the farmers. Research limitations/implications Although carried out on a specific value chain in a specific local context, this is not likely to limit the applicability of the findings to commodity value chains in a range of local contexts. Originality/value The study fulfils the need to highlight the role that stakeholder partnerships can play in value chain development and how they can be sustained by governance and institutional arrangements.

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