Publications by authors named "Willis Oluoch Kosura"

Rice bean () is an important legume for food and nutritional security. However, the level of its cultivation in western Kenya, where there is a serious malnutrition challenge, is still low due to a lack of insights into its attributes. Hence, to bridge this knowledge gap, this study analyzed smallholder farmers' preferences for production traits.

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Horticulture is highly affected by climate variability. Various measures including climate-smart horticulture (CSH) practices are applied by farmers to curb the severity of climate change. Some farmers use mobile phones to access information and enhance their knowledge and skills related to CSH.

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Agricultural advisory services help farmers to access farming skills, technologies and agricultural markets. The services are offered by different actors, who all together form the pluralistic advisory service providers. In recent years, pluralistic advisory service providers have emerged in various developing countries including Tanzania.

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Background: Orange-fleshed sweet potato (OFSP) is bio-fortified with vitamin A precursors through breeding and is thus ideal for combating vitamin A deficiency (VAD). One of the potential mechanisms to promote the consumption of OFSP is to enhance its availability through processing into products with a longer shelf life and more desirable to consumers. However, very few farmers and agro-processors practice value addition due to market uncertainties; there is little information on market availability for OFSP products.

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Improving agricultural productivity to improve food security and feed the future generation is needed. One of the ways to achieve this is by adopting low-cost solutions such as soil carbon enhancing practices (SCEPs). Given the complexity of adoption decisions, technologies are either adopted as substitutes or complements.

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The study assesses the psychosocial predictors of intention to integrate biofortified pro-vitamin A orange-fleshed sweet potato (OFSP) in proper complementary feeding (PCF) among women who received either verbal or verbal and visual demonstrations on OFSP-based foods. A total of 764 randomly selected women grouped into four categories, namely pregnant women, women with infants, women with young children, and potential mothers, participated in this study. Using a structural equation model of predicted intentions based on an extended Theory of Planned Behavior (TPB) the study found goal-setting, perceived behavior control, subjective norms, and attitudes had a significant influence on intention to integrate OFSP in PCF.

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Most smallholder farmers in sub-Saharan Africa (SSA) are adversely affected by low soil fertility, land degradation and climate change-related shocks such as drought. These problems lead to low productivity and low household income. In addition, the adoption of soil carbon enhancing practices remains low in Western Kenya.

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Global land acquisition and lease investments in developing countries by foreign companies have elicited a lot of controversy and interest in recent literature. Well-structured foreign land leases and investments might offer development benefits to the host countries including opportunities for employment, provision of capital for improvement of infrastructure and stabilization of food prices. However, most foreign land lease deals in Africa are often characterized by secret negotiations and lack of local stakeholder consultations.

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Despite the efforts to promote good practices in infant and young child feeding (IYCF), the adoption of such practices has been low. Using data from a sample of 665 women, and the theory of planned behavior, we examine the effect of different types of nutrition education and psychosocial factors on the use of recommended IYCF practices. Regression results show that nutrition education and psychosocial factors have strong positive effect on the extent to which IYCF practices are used, with the latter having conflicting individual but overall positive effect.

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