Research & reports
Peer-reviewed research and reports on community urban agriculture, food education, composting, welfare and more.
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Critical findings
535 results(4 / 22)
Urbanization-Triggered Industrial Development in Kenya’s Peri-Urban Areas and Its Implications on Food Security: The Case of Kiambu County
2025James S. Kaba, Joseph Mutungi, Gladys Rotich · International Journal of Research and Innovation in Social Science · Kenya
This study examined the implications of urbanization-triggered industrial development on food security in Kiambu County, Kenya, neighboring Nairobi. Through mixed qualitative and survey-based data collection and analysis from 400 respondents including farmers, agricultural workers, urban planners, and government officials, the study found an 85% increase in farmland conversion to industries over the last 20 years. This industrialization contributed to a decline in food production, as reported by 65% of respondents who left farming for industrial jobs. Land-use transformations have resulted in fewer farms involved in agriculture and the replacement of old food systems.
Economic viabilityPeri-urban agricultureFood sovereignty & justiceEconomicsUrban–rural linkageImplications of Land Ownership Heterogeneity on Household Food Security: A Case Study of Urban Farming in Pietermaritzburg, KwaZulu-Natal Province
2025Joyce Thamaga-Chitja, Nthabeleng Tamako, Temitope O. Ojo · Land · South Africa (Pietermaritzburg)
In Pietermaritzburg, KwaZulu-Natal Province, South Africa, the impact of land ownership on household food security among 156 urban farmers was analyzed. The majority of surveyed households experienced mild food insecurity, with a smaller proportion facing moderate insecurity. Land ownership was found to significantly reduce household food insecurity by 50%. Monthly income, age, and cooperative membership positively influenced land ownership likelihood, while gender and distance to market had negative impacts.
Food sovereignty & justiceEconomicsCommunityPeri-urban agricultural management impacts the soil nutrient status of Nitisols in the central highlands of Kenya
2025Rintaro Kinoshita, Hanna Takahashi, T. Kato, Daniel N. Sila, Hiroshi Koaze, Masayuki Tani · Soil Science & Plant Nutrition · Kenya
An evaluation of soil profiles, surface soil conditions, and nutrient management was conducted in Kiambu County, Kenya, at the Tigoni experimental station and 26 surrounding small-scale peri-urban farms. The study found significant differences in surface soil nutrient status between the experimental station and surrounding farms, with available phosphate and exchangeable calcium levels being excessively high in nearly half of the peri-urban farms, contrary to past findings. In contrast, phosphate levels at the experimental station were mostly deficient, and magnesium was deficient in both settings.
Peri-urban agricultureOrganic cycleRecreational Community Gardens: a Study on Their Role In Promoting Well-being and Social Cohesion Among Housing Estate Residents In Fct Abuja
2025Ebimorboere endoni, Ibrahim Umar, Patrick Chukwuemeke Uwajeh, Timothy Onosahwo Iyendo, olawepo ibidolapo · Nile Journal of Engineering and Applied Science · Nigeria
This research investigates the role of community recreational gardens in fostering social cohesion among residents in urban housing estates in FCT Abuja, Nigeria, using a mixed-methods approach including surveys, interviews, and observational studies. Key findings indicate that community recreational gardens serve as inclusive environments, promoting cross-generational interactions, cultural exchange, and the formation of social networks in housing estates.
CommunityHealthPolicyChallenges and Opportunities of Urban Agriculture in Major Towns Practicing Urban Agriculture in Ethiopia: A Review
2025Etefa Tilahun Ashine · International Journal of Agricultural Economics · Ethiopia
This review examines the challenges and opportunities of urban agriculture in Ethiopia, where urbanization and living costs are rising. Key challenges include limited access to land, irrigation water, and financial institutions, as well as high prices for fertilizers and pesticides, and climate variability affecting crop yields. Opportunities include strong market demand for products, employment creation for youth and women, and additional income generation for producers. The study concludes that stronger policy support and investment are needed to enhance urban agriculture's contribution.
Governance failurePolicyEconomicsCommunityUrban–rural linkageRooftop Agriculture in the Urban Global South: The Experience of Johannesburg
2025Jayne M. Rogerson · Modern Geográfia · South Africa (Johannesburg)
This article examines the organization and current state of rooftop agriculture in Johannesburg, South Africa, drawing on existing material. Johannesburg hosts the largest cluster of rooftop farms, primarily established for social considerations, with fewer projects for commercial reasons or business image enhancement. The study investigates the challenges confronting these rooftop farming projects.
Governance failureCommunityEconomicsPolicyUrban Farming Practices and Constraints to Urban Agriculture in Bauchi Metropolis
2025Yusuf Kamaluddeen Ibrahim, Zabawi Abdul Ghani, Rasheed Osuolale Oladosu, O. D. Idris,, Tamwesigire Caleb · Journal of Innovative Research · Nigeria (Bauchi)
In Bauchi metropolis, Nigeria, urban farming practices and constraints were investigated among 285 urban farmers. Findings revealed that most farmers do not own land, instead borrowing or renting it. The major constraints to urban agriculture were reported as lack of tenure security, limited land area, and poor access to microcredit facilities.
Governance failureFood sovereignty & justiceEconomicsCommunityPolicyThe Role of Urban Farming in Enhancing Food Security and Sustainability in Lagos Metropolis: A Stakeholder Analysis
2025S Aliyu, Okhimamhe A. A, I. M. Sule · International Journal of Research and Innovation in Applied Science · Nigeria (Lagos)
This study explored the role of urban farming in enhancing food security and sustainability in the Lagos Metropolis through focus group discussions and quantitative surveys with various stakeholders, including policymakers, urban farmers, and community members. Findings suggest urban farming's potential to reduce food transportation distances, enhance local food production, and mitigate climate change impacts. However, challenges such as land demands and gender disparities persist, necessitating integrated policy approaches and targeted educational programs.
Equity & displacementFood sovereignty & justiceClimate changeCommunityPolicySustaining Urban Food Gardens for Community Resilience: A Case Study of the Langa Agrihub, Cape Town, South Africa
2025Kurt Ackermann, Tamsin Faragher · CABI climate change series. · South Africa (Cape Town)
A three-year case study of the Langa Agrihub in Cape Town, South Africa, supports a network of over 250 urban farmers comprising more than 30 food gardens. The Agrihub provides inputs, infrastructure, knowledge exchange, and market connections, serving as a platform for civic participation, social cohesion, and local agency. This chapter states that the primary value of community food gardens lies in enabling communities to mitigate and adapt to intersecting stresses, including economic marginalisation, environmental degradation, and infrastructure shortcomings like water scarcity.
CommunityFood sovereignty & justiceClimate changeEconomicsWelfarePeri-urbanization and smallholder farmers’ socio-economic marginality in peri-urban Addis Ababa
2025Girma Mulu Alemu, Sophie Schramm, Wilbard Kombe · Cogent Social Sciences · Ethiopia (Addis Ababa)
This qualitative study in peri-urban Addis Ababa, Ethiopia, explored the impacts of peri-urbanization on smallholder farmers' socio-economic conditions. The research found that peri-urbanization leads to the erosion of capital assets, with dwindling agricultural land causing tenure insecurity and disrupting livelihoods. This process exacerbates smallholder farmers' marginality by weakening social ties and mutual support systems.
Equity & displacementPeri-urban agriculturePolicyEconomicsCommunityFood sovereignty & justiceA review of the role of nature-based solutions in mitigating food insecurity in Africa
2025Solomon Asamoah, Henry Mensah, Eric Kwame Simpeh, Eric Oduro-Ofori, Sandra Serwaa Boateng, Sarah Boateng, Listowel Koda Frimpong, Priscilla Okyere · Green Technologies and Sustainability · Africa
This scoping review examined the role of nature-based solutions (NbS) in addressing food insecurity in Africa, using bibliometric and thematic analysis of peer-reviewed literature. The study identified agroforestry, urban agriculture, and wetland restoration as NbS components. However, it found that a comprehensive understanding of NbS efficacy, challenges, and implications for food insecurity in Africa remains limited, with existing research primarily focusing on localized interventions rather than broader trends.
Food sovereignty & justiceClimate changeBiodiversityEffect of Forced Eviction and Land Grabs on Household Economic Capital Security of Displaced Pre-Urban Farmers in Addis Ababa, Ethiopia
2025Kejela Gnamura, Michael Akwasi Antwi, A Belete · Land · Ethiopia (Addis Ababa)
This mixed-methods study investigated the effects of urbanization-induced displacement on economic capital security by comparing 223 evicted and 223 non-evicted peri-urban farming households in Addis Ababa, Ethiopia. Logistic regression and thematic content analysis revealed that evicted households are approximately 72.7% less likely to achieve economic security compared to non-evicted households. The study concluded significant differences in household economic capital security between the two groups.
Equity & displacementPeri-urban agricultureEconomicsPolicyCommunityWelfareAnalysis of Pressure Drivers within an Urban River Riparian Reserve: A Case of Nairobi River in Kenya
2025Mahacla Odongo, Caleb Mireri, Peter Mwangi · Environmental Technology and Science Journal · Kenya (Nairobi)
The Nairobi River riparian reserve in Kenya has undergone immense land use and land cover changes over the past 20 years due to urban development. A survey of 650 respondents revealed that urban agricultural activities dominated the upper segment at 69%, commercial ventures constituted 79% of the middle segment, and residential usage comprised 89% in the lower segment. These activities caused significant degradation from crop cultivation of river slopes, pollution infiltration, and loss of biodiversity, indicating a severe depletion of the riparian space's functions.
Environmental trade-offsBiodiversityPolicyThe role of treated wastewater in fostering sustainable urban agriculture in Addis Ababa, Ethiopia
2025Gizaw Ebissa, Hayal Desta, Aramde Fetene · Discover Water · Ethiopia (Addis Ababa)
This research assessed the contribution of treated wastewater (TW) from Bole-Lemi Industrial Park in Addis Ababa, Ethiopia, to agricultural sustainability over a 3.5-month production season. It found that 53 kg of nitrogen and 1 kg of phosphorus were recovered, saving farmers 5,535 USD and reducing fertilizer costs by 28%. The TW provided 17,500m3 of irrigation water, converting 70 hectares of idle dry-season land into productive use. Continuous monitoring of soil conditions is crucial for long-term sustainability.
Organic cycleEconomicsClimate changeTowards urban food system transformation in South Africa
2025Emmanuel Ndhlovu · Discover Sustainability · South Africa
This article critically analyzed food system policies and actions in four South African cities, drawing from grey and academic documents. It found that the government is failing to achieve food security, with approximately 58 million people facing food insecurity in 2023. The study concludes that transforming South African food systems requires coherent policies, shortened supply chains, integration of food into urban planning, and increased support for farmers, among other actions.
Governance failurePolicyFood sovereignty & justiceEconomicsUrban–rural linkageLe péri-urbain en Afrique : une agriculture en marge ?
2025Paule Moustier, Jacques Pagès · HAL (Le Centre pour la Communication Scientifique Directe) · Africa
This study examined peri-urban agriculture in Africa, identifying it as a significant income and food source for the urban poor, but subject to constraints, primarily land pressure. Analysis of the vegetable supply chain in Brazzaville showed rural and peri-urban areas are complementary, with different types of vegetables originating from each. Land constraints, transport, access to inputs, and technical assistance are crucial factors determining production location. Historical analysis invalidates hypotheses of linear decline or development through intensification for peri-urban agriculture.
Economic viabilityPeri-urban agricultureEconomicsFood sovereignty & justiceUrban–rural linkageLand Use Changes and Implications for Food Production Planning in Peri-Urban Ruiru Sub-County, Kenya
2025Fuchaka Waswa, Duncan Gichabe, Ruth Kahuthıa-Gathu · Journal of the Kenya National Commission for UNESCO · Kenya (Ruiru)
This study investigated land use changes in Ruiru Sub-County, Kenya, from 1988 to 2024 using GIS. By 2024, agricultural land had decreased by 45.62%, while urban land use increased by 509%, and bare/rocky areas rose by 133% due to abandoned stone mining. The decline in agricultural land leads to reduced industrial crop areas and a shift to leafy vegetables, with an expected increase in agro-chemical use in intensive peri-urban farming.
Environmental trade-offsPeri-urban agriculturePolicyFood sovereignty & justiceClimate changeUrban farming system and food security in sub-Saharan Africa: Analysis of the current status and challenges
2024· Urban Agriculture & Regional Food Systems, Wiley Online Library · Sub-Saharan Africa
2024 analysis of urban farming systems and food security in Sub-Saharan Africa. Examines role of agriculture in improving urban food security, necessity of public-private partnerships, informal sector positioning, and prospects for addressing urban food insecurity in Africa.
PolicyUrban farming system and food security in sub‐Saharan Africa: Analysis of the current status and challenges
2024Kiribou et al. · Urban Agriculture & Regional Food Systems · Africa
2024 research analyzing urban farming systems' role in sub-Saharan African food security, income generation, and employment creation, examining environmental, economic, and social benefits.
EconomicsUrban Agriculture's 'Invisible' Short Food Value Chain: How Small-scale Farming Contributes to Johannesburg Food Security
2024· Urban Forum · South Africa
Documents how small-scale urban farming through short food value chains in Johannesburg functions as an 'invisible' economy not captured in official statistics. Direct community sales reduce middlemen while improving farmer incomes and local food security. Highlights gaps in statistical and policy frameworks.
EconomicsCommunityFactors Influencing the Adoption of Urban Agriculture and Its Effects on Household Food Security in Southwestern Nigeria
2024· International Journal of Agricultural Economics · Nigeria (Southwestern)
Analyzes the factors driving adoption of urban agriculture among households in southwestern Nigeria and its effect on household food security.
EconomicsWelfareThe institutionalisation of urban community gardens in Cape Town, South Africa
2024Kanosvamhira T. P. · Area · South Africa (Cape Town)
Analyses how the state institutionalises Cape Town's community gardens along neoliberal lines. Argues state support cultivates neoliberal subjectivities and regulates production, diminishing the gardens' potential to advance food justice in historically disadvantaged communities.
PolicyCommunityAdoption of Agricultural Technologies Among Small-Scale Farmers in Sub-Saharan Africa
2024Okonkwo, E., Mensah, J., Gessesse, A., Okoro, N. · African Journal of Agricultural Research · Africa
Survey of 3,500 small-scale farmers across 8 Sub-Saharan African countries. Farmer field schools increase technology adoption to 48% versus 12% without training.
EconomicsWomen's Empowerment Through Agricultural Extension in Sub-Saharan Africa
2024Adeyemi, F., Mwangi, L., Okafor, B., Mutua, S. · World Development · Africa
Study of 1,200 women farmers across 6 Sub-Saharan countries. Women completing extension training increase productivity 40-60% and earn 35-50% higher incomes.
WelfareEconomicsAssessing economic sustainability and resilience of tomato farming ventures in Addis Ababa: A project-based evaluation
2024Gizaw Ebissa, Hayal Desta, Aramde Fetene · Heliyon · Ethiopia (Addis Ababa)
A 2024 project-based appraisal of urban tomato farming in Addis Ababa, Ethiopia, using net present value (NPV), internal rate of return (IRR) and benefit–cost ratio (BCR). With the cost of water included the venture returns a negative NPV of −US$30,100 per hectare per year, an IRR of 0.2%, a BCR of 0.83 and a payback period beyond ten years; excluding water costs it turns positive (NPV +US$15,100/ha/yr, IRR 21%, BCR 1.02, payback 2.9 years). Production cost is US$0.60/kg with water and US$0.45/kg without, against an average selling price of US$0.47/kg, so the venture does not pay for itself as long as water must be bought. Sensitivity analysis shows returns rise with price and yield and fall with operating costs. The authors treat better market access, agro-processing and cooperative formation as preconditions for viability.
Economics