Research & reports

Josiah Taru, Hardlife Stephen Basure · Russian Journal of Agricultural and Socio-Economic Sciences · Zimbabwe (Harare)

This study applied Norman Long's interface analysis to understand the causes of conflicts and struggles among urban agriculture (UA) actors in Kuwadzana Extension, Harare. Intensified competition for scarce land and water escalated conflicts, particularly in off-plot agriculture due to its contentious nature outside institutional frameworks. Actors with different power bases used them to dispossess and marginalize others. Conflict resolution mechanisms (mediation, litigation, conciliation) often lacked legal binding or institutional backing, tending to generate more disputes.

A. Bryan Endres, Rachel Armstrong · · United States

This article discusses Community Supported Agriculture (CSA) and 'community labor,' where customers participate in food production on farms. It highlights a paradox: traditional employment law, envisioning autonomous competition, makes little room for these novel relationships, potentially undermining CSA values and limiting its viability and growth. The authors suggest that employment law should develop a more nuanced view of relationships in the CSA context, supporting mutual gain and shared values over competition-based rules.

卓也 林 · Institutional Repositories DataBase (IRDB) · Japan (Inagi City)

This study examined the management characteristics of direct farm sales outlets and the role of agriculture in urban areas, using pear farmers in Inagi City, Tokyo, as an example. Field surveys confirmed a decrease in pear picking activities and a high ratio of direct sales and home delivery. While familiarity with agriculture has increased due to farmers' cooperation in agricultural experience learning and the establishment of many community gardens, a limitation was identified: to convey the value of urban agriculture to those with low interest, the enhancement of pear picking, allowing easy interaction with farmers on farmland, is required.

Yuki Kato · Sociological Inquiry · United States (New Orleans)

This case study of a community-supported agriculture (CSA) organization in New Orleans focused on the lack of participation by local residents in the CSA market despite its intentions. Interview and ethnographic observation data indicated a general consensus on economic constraints, while some non-resident supporters attributed the issue to a lack of knowledge about the food system. Residents, however, pointed to spatial and sociocultural barriers, including produce selection, purchase options, market access convenience, and the race-related historical and spatial context of the market's location, making the market less accessible to them.

Àngels Viladomiu Canela · AusArt · Global

This article reviews artistic interventions that address urban land uses and farming methods. These actions, through planting and cultivating, generate spaces for the expression of artistic, political, and social identities, often in urban interstices like abandoned lots or non-urbanized areas. The study identifies these practices as spaces for social critique and ecological activism.

Mariana Iftisan · · Indonesia (Bandung)

This study investigated community perceptions and participation in an urban farming program in RW 04 Tamansari, Bandung, Indonesia. Findings indicated that community perception of the urban farming program was good, with residents understanding its types and benefits. However, community participation in the program was not maximal, as not all residents of RW 04 were involved.

Priyanie Amerasinghe, R. M. Bhardwaj, Christopher A. Scott, Kiran Jella · · India

This study analyzed the current status of wastewater generation, its uses, and livelihood benefits, particularly in agriculture, in India. It was based on national data and case studies from Ahmedabad, New Delhi, Hyderabad, Kanpur, and Kolkata. A lack of systematic data collection by municipalities makes it difficult to accurately assess wastewater generation or estimate the total urban area under wastewater irrigation.

Larissa Vásquez-Moreno, Ana Córdova y Vázquez · International Journal of Urban Sustainable Development · Mexico (San Cristobal de Las Casas)

This study developed a conceptual framework to assess urban agriculture's (UA) potential contributions to urban sustainability (US). The framework was applied to a qualitative analysis of UA practices in San Cristobal de Las Casas, Mexico. The study found a rich practice of UA in the city and that the framework was valuable for evidencing data and stimulating analysis. However, the study also discusses limitations of UA and further refinements needed for the framework to guide actions towards increasing UA's impact on urban sustainability.

Beaven Utete · Journal of Water Resources and Ocean Science · Zimbabwe

The ecological integrity of the peri-urban Chiraura River system in Zimbabwe was assessed through multivariate analysis of physicochemical parameters and the resident macroinvertebrate community. Monthly collections were conducted over five months from November 2011 to March 2012 at six sites, recording 1209 macroinvertebrates. Unsustainable anthropogenic activities, including industrial, domestic, and urban agricultural activities, were found to affect the water quality of the Chiraura River through run-off and increased effluent.

AN Asadu, EM Igbokwe, JM Chah, IA Enwelu · Journal of Agricultural Extension · Nigeria (Enugu)

This study investigated farmers' perceptions of health and environmental hazards from urban livestock keeping in Enugu Urban, Nigeria, interviewing 75 heads of households. While all respondents were aware of general health and environmental implications, only 4.0% knew livestock could cause climate change. Identified environmental issues included crop destruction (89.3%), urban filth (89.3%), and noise (88.0%), while health issues included disease spread (50.7%), accidents (46.7%), and bad smell (86.7%).

Wen-jiang Li, Linjun Li, Guoyu Qiu · Journal of Integrative Agriculture · China (Shenzhen)

Water and electricity-use patterns in Shenzhen, South China, were analyzed from 2001 to 2009. Water and electricity use per GDP in agriculture was the highest among sectors, indicating inefficiency. Traditional agriculture in Shenzhen will not be sustainable during urbanization and industrialization, except for high-tech intensive agriculture with low water and energy costs, and has been gradually substituted by industry, construction, residential life, and services.

Douglas Carl Reeser · Development in Practice · Belize

An analysis of an NGO school garden program in two Q'eqchi' Maya communities in southern Belize revealed challenges faced by NGOs. These challenges included issues of legitimacy, cultural appropriateness, self-interest, and constructed conceptions of their target communities, raising questions about the priority between autonomous, healthy communities and the preservation of the NGO program.

Giovania Genevieve Tiarachristie · · United States (Harrisburg)

This qualitative study explored race-class conflicts around food and urban gardening in South Allison Hill, Harrisburg, Pennsylvania, a diverse, low-income neighborhood. Seven interviews with neighborhood leaders revealed that the "Whiteness" of a new wave of urban gardening can create race and class tension, hindering collaborative partnerships and local food systems development. The findings indicate structural limitations and social roadblocks, suggesting that urban gardening can exacerbate existing inequities if not approached with structural economic justice and cultural competency.

Camilo Villagrán Oyarzún, Ken Yan Qiu Sun · Revista de Urbanismo · Chile (Santiago de Chile)

This 2013 study investigated the challenges of integrating urban agriculture into Communal Regulatory Plans in Santiago de Chile. Analyzing two case studies in different metropolitan communes, the research inferred the general state of urban agriculture's inclusion in urban planning. The findings implicitly suggest difficulties in its integration, highlighting the need for improved governance in urban planning to effectively incorporate urban agriculture.

Erika S. Jermé, Sarah Wakefield · Planning Theory & Practice · Canada (Hamilton)

This paper uses the process of drafting a community garden policy in Hamilton, Canada, as a case study. It illustrates how an environmental justice framework could inform effective and inclusive policy creation, while noting that barriers within the policy process could mitigate against the meaningful incorporation of environmental justice concerns. It concludes that greater inter-departmental and community collaboration, along with the routine application of an environmental justice lens, could mitigate the ill effects of inequitable resource distribution.

Sheila Castillo, Curtis R. Winkle, Stephen Krauss, Amalia Turkewitz, Cristina L.M. Silva, Edie Heinemann · Journal of Agriculture Food Systems and Community Development · United States (Chicago)

This study identifies seven perceived barriers to urban and peri-urban agriculture in the greater Chicago metropolitan area through interviews with urban planners and farmers. All seven barriers involve unclear or agriculture-unfriendly regulations. Results suggest that urban and peri-urban farmers are commonly forced to operate within a legal limbo or petition for exceptions to current regulations.

Phil. Caleb Mireri · African Journal of Agricultural Research · Kenya (Kisumu)

This study surveyed 194 urban farmers in Kisumu municipality, Kenya, to assess urban agriculture's role in income, employment, and food supply. It found that most urban farmers and their employees receive very low income, with a mean monthly income of US$135 (US$0.64 per person per day), which is below the acceptable one dollar a day per person. Urban agriculture primarily supplements food requirements for the urban poor and provides income for a few commercial farmers.

Susana Olivares Reumont, Damarys García Céspedes, Lázaro Lima Cazorla, Israel Saborit Sánchez, Axel Llizo Casals, Pedro Pérez Álvarez · Revista Internacional de Contaminación Ambiental · Cuba (Havana)

This study investigated levels of Cu, Pb, Cd, and Zn in soils and vegetables from 17 urban agriculture farms around the "Calle 100" landfill in Havana, Cuba, during 2006-2007. Findings showed that 35% of soils exceeded typical Cuban agricultural ranges for Zn, and 52% for Pb. Critically, 23% of soils surpassed phytotoxic and international limit levels for Pb, and 12.5% of vegetable samples exceeded Cuban maximum permissible limits for Pb in food for human consumption. The results indicate a need for strict monitoring of horticultural crops in the area due to contamination.

James R. Hollyer · PubMed Central · United States

This article discusses the potential risk of rat lungworm (Angiostrongylus cantonensis) in Hawai‘i's local food supply, which can cause eosinophilic meningitis if ingested by humans. While the statistical risk is extremely low compared to other foodborne agents, two individuals in Hawai‘i developed serious eosinophilic meningitis in late 2008 after consuming insufficiently washed local produce. The article highlights the challenge of informing the public about this rare but potentially serious disease, especially amidst efforts to promote local produce and school gardens.

Shazia Iram, Ayesha Zaman, Zaiba Iqbal, Rabia Shabbir · Polish Journal of Environmental Studies · Global

This study screened soil samples from peri-urban agricultural areas to investigate heavy metal contamination and identify heavy metal-tolerant fungi. Results showed that the majority of isolated fungi were resistant to lead (Pb) and chromium (Cr). Among the strains, Aspergillus niger was the most tolerant to Pb with an MIC of 600 mg/l, and Aspergillus flavus was the most tolerant to Cr with an MIC of 400 mg/l.

Marcelo Ortega Romero, Juan Mingot Marcilla, María Jesús García Martínez, Eduardo de Miguel, Miguel Izquierdo‐Díaz, Amaya Gómez · · Spain (Madrid)

This study evaluated the potential health risk from trace elements in urban garden soils in Madrid, Spain. Thirty-six composite soil samples were collected from the top 20 cm of six urban gardens, and concentrations of cobalt, chromium, copper, nickel, lead, and zinc were determined. The findings indicated that urban soils are significantly enriched in trace elements relative to background levels, suggesting a potential health risk.

Terri Evans, Christiana Miewald · Journal of Agriculture Food Systems and Community Development · Global

Community gardens and other local food initiatives are insufficient strategies to replace the quantity and efficiency provided by contemporary globalized food systems for supplying cheap food to urban populations.

David Adams, Alister Scott, Michael Hardman · Geografiska Annaler Series B Human Geography · Global

This article examined how planning practice, exemplified by permaculture and guerrilla gardening case studies, can be rooted in confrontation and legal challenge, hindering innovative practices. The findings confirmed that spatial planning theory is largely "disintegrated" from much contemporary planning and environmental practice and wider sustainability discourses. This suggests that planners and decision-makers' prescribed and constrained management of space can impede practices with significant societal and environmental benefits.

Mansur Usman Dawaki, Abubakar U. Dikko, S. S. Noma, Umar Aliyu · Food and Energy Security · Nigeria

This study evaluated pollution risks to food security from urban agriculture in Kano, Nigeria, by sampling soil, water, and lettuce from two wastewater-irrigated sites (Challawa, Jakara) and a control site (Watari). Results showed all sites were contaminated with Cu, and the domestic wastewater site was slightly polluted with Pb and excessively polluted with Cd and Cr. Metal levels in irrigation waters exceeded recommended thresholds, and plants at the domestic wastewater site accumulated metal concentrations (Pb=26.21 mg/kg, Cd=1.03 mg/kg, Cr=28.63 mg/kg, Cu=2.66 mg/kg) that exceeded allowable limits in vegetables, indicating a human ingestion risk.

Mucig Charlotte · · France

A survey on rainwater harvesting in community gardens in France indicates that while this practice has been ongoing for years, it is poorly documented and faces challenges in adapting to new French regulations. The findings highlight public health issues for both garden users and consumers of fruits and vegetables, as well as environmental and operational concerns.