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Emmanuel Tumusiime

Emmanuel Tumusiime

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21
Publications
3,265
Reads
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127
Citations
Citations since 2017
6 Research Items
89 Citations
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201720182019202020212022202305101520

Publications

Publications (21)
Article
Full-text available
Psychosocial factors contribute to persistence of poverty, but are rarely addressed in poverty reduction reduction programs. We use mixed methods to investigate the relationship between a psychosocial behaviour change approach—empowered worldview (EWV), and investment decisions in children wellbeing among smallholder farmers in Zambia. Three years...
Research
Full-text available
Studies suggest impoverishment in Bangladesh has been driven by climate-change-related shocks, ill-health and healthcare expenses, poor access to agricultural markets and services, and more recently, the COVID-19 pandemic. Multi-sectoral programmes have the potential to address these challenges. This research explores the potential of multi-sectora...
Article
Full-text available
Abstract: Market-based approaches to food security often increase agricultural productivity and income yet sometimes fail to enhance nutrition. When food security programming combines market and food systems with a specific focus on women and girls, economic and nutrition outcomes benefit. We identify distinctive and shared elements from market and...
Article
Purpose: This study examines the suitability of the system of rice intensification (SRI) for diverse small-scale farmers in Tanzania by exploring if poor and non-poor farmers adopt the system to a similar extent. Originality: The suitability of low-external input technologies such as SRI for diverse African farmers is a contentious issue. Existing...
Article
This article investigates the level of country ownership and inclusivity in Feed the Future (FtF) projects in Ethiopia, Ghana, Haiti, Senegal, and Tanzania. It finds that though interventions largely align with country-defined priorities and plans, other aspects of country ownership – consultation and provision of aid through local systems – are we...
Article
This article examines how households in the Tillabery region, in Niger, responded given early cash intervention, and its impact on household food access and ability to cope and recover from a food crisis. Food-access indicators are linked to the early cash-transfer programme and household social and demographic characteristics, and the relationship...
Article
This article provides a framework to compare market outcomes among vertically integrated monopsonies in the cotton sector of West Africa and alternative, more competitive market structures. Based on a principal agent framework, in the presence of factor market constraints, as well as capital market failure, efficiently operated cotton parastatals i...
Article
Full-text available
Aid for agriculture development in sub Saharan Africa has increased in recent years, but little is known about which farmers are participating in the interventions, the production structures employed, and the foreseeable consequence on food security and agricultural development. This research draws insights from two projects in Tanzania funded by t...
Article
Accurate modeling of skewness is needed to increase the actuarial fairness of crop insurance. We test Day's conjecture that crop yield skewness becomes negative as nitrogen rates increase and determine how well a linear response stochastic plateau (LRSP) production function matches the pattern of observed skewness using four long-term nitrogen expe...
Conference Paper
This study examined how households’ responded in the Tillabery region, Niger given early cash transfer intervention and the impact on household food access and ability to cope and recover from a food crisis. Data was also collected from households that did not benefit from the cash transfer program for comparative purposes. Food access indicators a...
Article
In the past decade, foreign investments in crop land in low- and middle-income countries have grown dramatically. Foreign private sector investors, ranging from agribusiness companies and biofuel developers to asset-owning institutions, such as pension funds as well as private equity and hedge funds, have been identified as playing the prominent ro...
Article
Full-text available
The parameters of yield response functions can vary by year. Past studies usually assume yield functions are nstochastic ‘‘limited’’ stochastic. In this study, we estimate rye– ryegrass yield functions in which all parameters are random. The three functional forms considered are the linear response plateau, the quadratic, and the Spillman...
Article
Ammonium-based N fertilizers acidify soils. Lime used to correct soil pH is a substantial cost to producers. Recommendations about the optimal levels of N to apply typically ignore the cost of the lime needed due to N fertilization acidification. This study aimed to determine the effect of considering the cost of lime on recommendations about the o...
Article
Full-text available
Using ammonium based nitrogen fertilizers in crop production has been shown to acidify soils. Lime used to correct soil pH is an important cost to producers. Recommendations of the optimal level of nitrogen to apply typically ignore the cost of lime created by nitrogen fertilization. This study was aimed to estimate soil pH change in response to ni...
Article
Full-text available
Although the commercial use of agricultural biotechnology in Africa is significantly lower than in most other parts of the world, several African countries have made significant strides towards introducing GM crops. Kenya has been one of the more progressive African countries, particularly in maize, where testing and development of Bt maize has bee...
Article
Full-text available
Kenya is currently in the process of introducing genetically modified maize (Bt maize). A major concern is that the Bt gene might cross into local varieties through cross pollination. Current regulatory strategies to ensure coexistence of the two cropping systems at the farm level rely on spatial isolation measures-separation distances and/or buffe...
Article
Full-text available
Crop yields are not commonly found to be normally distributed, but the cause of the non-normal distribution is unclear. The non-normality might be due to weather variables and/or an underlying von Liebig law of the minimum (LoM) production function. Our objective is to determine the degree to which an underlying linear response stochastic plateau p...
Article
Full-text available
The production of genetically modified (GM) maize offers the promise for improving maize yields in Kenya. However, a crucial question is whether GM maize can co-exist with local landraces. The risk of gene outflow between GM maize and a local variety on neighboring plots is of particular concern because of the costs it may impose directly on farmer...

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