Research & reports
Peer-reviewed research and reports on community urban agriculture, food education, composting, welfare and more.
Theme
Critical findings
22 results
Agronomic Use of Urban Composts from Decentralized Composting Scenarios: Implications for a Horticultural Crop and Soil Properties
2025Irigoyen I., López M., Orden L., Moral R., Nogués I., Bustamante M.Á. · Agronomy · Europe (urban agriculture focus)
June 2025 study examining how decentralized and community composting are emerging as novel scenarios favoring localized management and valorization of organic waste streams. Supports organic waste reduction at community level and nutrient cycling for urban agriculture fertilization, offering alternatives to centralized composting.
CompostOrganic cycleFood educationProducing Bokashi Compost from Vegetable and Fruit Wastes and Characteristics of Compost
2025· Turkish Journal of Agriculture - Food Science and Technology · Turkey
Produces bokashi compost by fermenting vegetable and fruit wastes with lacto serum and bran in vacuum buckets for 28 days, then characterizes the resulting compost.
DIYCompostFood lossRITUALS FOR EARTHLY SURVIVAL Immersive Performance, Collective Creation, and Environmental Storytelling
2025Roy Hanney · Zenodo (CERN European Organization for Nuclear Research) · United Kingdom
This project report documents the development, presentation, and evaluation of "Rituals for Earthly Survival," a Butoh-inspired immersive audiovisual performance presented in Portsmouth, UK, in November 2024. It details the creative process, artistic approach, audience experience, and methodologies, including composting and collective creation, used to explore environmental crisis and renewal. The report serves as supporting documentation for ongoing creative practice research.
CommunityCompostClimate changeBiochar–Compost blends modulate trace element and nutrient dynamics in rooftop farming systems under Mediterranean conditions
2025Medina Veliu, Hugo López-Romano, Giuseppe Picca, Marco Panettieri, Eduardo Moreno‐Jiménez, Denis Courtier‐Murias, Liliane Jean‐Soro, Johnny Gaspéri, Laura L. de Sosa · Ecotoxicology and Environmental Safety · Spain (Madrid)
This study investigated the impact of biochar-amended composts on trace element and nutrient dynamics in rooftop farming systems by cultivating tomatoes, lettuce, and Swiss chard for three years on a Madrid rooftop. Six substrates derived from spent coffee grounds, coffee silverskin, and seaweeds, with and without biochar, were used. Results showed that biochar reduced plant uptake and leaching of trace elements, lowering arsenic uptake by up to 40% in seaweed-based composts. Biochar also improved nutrient retention, reducing phosphorus and nitrogen losses by 40% and 25% respectively.
CompostOrganic cycleHealthClosing the nutrient cycle in urban areas: The use of municipal solid waste in peri-urban and urban agriculture
2024Juan David Arosemena Polo, Susana Toboso‐Chavero, Biraj Adhikari, Gara Villalba · Waste Management · Spain (Barcelona)
This research determined the potential of organic municipal solid waste (OMSW) compost to supply nitrogen-phosphorus-potassium (NPK) demand for urban agriculture (UA) and its environmental benefits in the Metropolitan Area of Barcelona, Spain. Using spatial material flow analysis and life cycle assessment, it was found that the current waste management system could substitute 8% of total NPK demand with compost, reduce impacts by up to 39%, and yield 130% savings in global warming. A 2025 scenario could substitute 21% of NPK demand and reduce environmental impacts by up to 1,049%.
Organic cycleCompostPeri-urban agriculturePolicyClimate changeQuantification and valorization of compost derived from urban households’ waste in Bukavu City, Eastern D.R. Congo
2024Géant Basimine Chuma, Jean M. Mondo, Adrien Byamungu Ndeko, Etienne M. Akuzibwe, Espoir Mukengere Bagula, Gustave Nachigera Mushagalusa · Discover Sustainability · Democratic Republic of Congo (Bukavu City)
This study investigated the quantity, composition, and disposal practices of domestic waste in Bukavu City, Eastern D.R. Congo. Findings revealed significant challenges in waste management infrastructure and practices, showing that approximately 5% of waste undergoes composting, while 10% is used as livestock feed, 66% incinerated, and 17% buried. Waste management is primarily handled by children (82%), with very limited involvement from non-governmental organizations.
Governance failureCompostOrganic cycleUrban–rural linkageFood sovereignty & justiceLa agricultura urbana como un modelo de transiciones justas
2024Jaume Vilasís Pamos, Pablo Aránguiz, Stefhania Lozano, Guillermo Palau Salvador · Revista Lecciones Vitales · Spain (Valencia)
This study examines urban agriculture initiatives in Valencia, Spain, which adopt an agroecological approach to promote sustainable practices like composting. While these collective strategies aim for sustainable agricultural models and contribute to food sovereignty, they face significant challenges, particularly regarding access to water. The initiatives also engage in political action and promote equitable organizational models.
Limited or null effectFood sovereignty & justiceClimate changeCommunityCompostPolicyCommunity composting strategies for biowaste treatment: methodology, bulking agent and compost quality
2023Alves, D., Villar, I., Mato, S. · Environmental Science and Pollution Research (Springer), 31(7):9873-9885 · Spain / Europe
A study comparing methodology, bulking agents, and compost quality across community composting centres (CCC) and community gardens used by local governments to treat biowaste. It shows how population density and the presence of green areas determine the siting of decentralized local composting infrastructure.
CompostOrganic cyclePolicyCommunityCompost quality of a peri-urban waste composting facility: A case of Mukono municipality, Uganda
2023Kizza-Nkambwe S., Mpewo M., Kasima J. S., Mfuranzima K. · Sustainable Environment · Mukono, Uganda
Assesses compost quality from a waste composting facility in Mukono municipality, central Uganda, analysing physicochemical parameters and heavy metals and arsenic in mature compost.
CompostOrganic cycleVermicomposting of municipal solid waste as a possible lever for the development of sustainable agriculture. A review
2022Ducasse V., Capowiez Y., Peigne J. · Agronomy for Sustainable Development · France (review)
Reviews the suitability of vermicomposting the organic fraction of municipal solid waste, the quality of the resulting vermicompost, and its impact on crops and soil.
CompostOrganic cycleCircular sanitation in relation to nutrients recycling and (urban) agriculture in the city of Amsterdam : Deliverable D4.4 Opportunities and barriers for circular sanitation within urban context
2022Kimo van Dijk, Lotte Veenemans, Ciska Nienhuis · · Netherlands (Amsterdam)
This report explains the importance of improving sanitation circularity, its link to circular urban food production, and the opportunities and barriers for its realization in Amsterdam. It discusses aspects related to sustainability, environment, quality, agronomy, legislation, health and safety, technology, economics, and awareness. The report provides recommendations for Amsterdam and other cities to stimulate the transition to circular sanitation and nutrient recovery/reuse in urban agriculture, including clarifying legislation and addressing barriers.
Organic cycleCompostPolicyHealthEconomicsClimate changeAssessing the Direct Resource Requirements of Urban Horticulture in the United Kingdom: A Citizen Science Approach
2021Miriam C. Dobson, Philip H. Warren, Jill L. Edmondson · Sustainability · United Kingdom
This nationwide citizen science project investigated resource demands of urban horticultural production in the United Kingdom using year-long diaries from 163 allotment gardeners. Findings showed an average allotment required 87 annual visits and 139 km of travel. Each kilogram of food produced used 0.4 hours of labor, 16.9 L of water, 0.2 L of topsoil, 2.2 L of manure, and 1.9 L of compost.
DIYCompostOrganic cycleEconomicsPolicyClimate changeComparison of organic substrates in urban rooftop agriculture, towards improving crop production resilience to temporary drought in Mediterranean cities
2021Felipe Parada, Mireia Ercilla‐Montserrat, Verónica Arcas‐Pilz, Elisa López‐Capél, N. Carazo, J.I. Montero, Xavier Gabarrell, Gara Villalba, Joan Rieradevall, Pere Muñoz · Journal of the Science of Food and Agriculture · Spain (Barcelona)
In spring and summer 2018, in a rooftop greenhouse near Barcelona, coir, vegetable compost from urban organic waste, perlite, and a mixture of compost and perlite substrates were evaluated over three consecutive crop cycles of lettuce. This study aimed to assess the use of substrates made from local materials as an alternative for urban agriculture during periods of water supply cuts. Results showed that compost and the mixture yielded similarly to perlite, and organic substrates increased crop resilience to water restriction.
CompostOrganic cycleClimate changePeri-urban agricultureDecentralized Community Composting: Past, Present and Future Aspects of Italy
2020Bruni C., Akyol Ç., Cipolletta G., Eusebi A.L., Caniani D., Masi S., Colón J., Fatone F. · Sustainability · Italy
Reviews Italian legislation and implemented projects on decentralized community composting, arguing Italy can serve as a model for Mediterranean countries building decentralized composting programs.
DIYCompostCommunityElaboración de compostaje con los residuos orgánicos del comedor para el huerto escolar ecológico
2020Ornela María Muñoz Millet, Antonio Yepes Jiménez · · Spain
A school in Spain implemented composting of organic waste from its canteen for use in an ecological school garden, with support from the AGROA school composting program and the Aguilas City Council. The entire educational community participates, from canteen staff separating waste, to the janitor transporting it, and teachers and students organizing it for compost and using it as fertilizer. This practice serves as a didactic resource for developing environmental attitudes and sustainable habits.
CompostFood educationCommunityOrganic cycleClimate changeBulk density and content, density and stock of carbon, nitrogen and heavy metals in vegetable patches and lawns of allotments gardens in the northwestern Ruhr area, Germany
2018Burghardt W., Schneider T. · Journal of Soils and Sediments · Germany (Ruhr)
Analysed pH, bulk density, and contents/stocks of organic carbon, nitrogen and heavy metals (Pb, Cd, Zn, Cu, Ni) in vegetable patches, lawns and compost heaps across fourteen gardens in four allotments of the northwestern Ruhr area.
Organic cycleCompostHealthSoil Fertility Characteristics and Organic Carbon Stock in Soils of Vegetable Gardens Compared with Surrounding Arable Land at the Center of the Urban and Industrial Area of Ruhr, Germany
2018Burghardt W., Heintz D., Hocke N. · Eurasian Soil Science · Germany (Ruhr)
Compared vegetable-garden soils with surrounding arable land in the central Ruhr area, analysing horizons, texture, pH, bulk density, C/N ratio, and stocks of organic carbon, nitrogen and available nutrients.
Organic cycleCompostHarvest to harvest
2016Rosanne Wielemaker, Jan Weijma, G. Zeeman · Resources Conservation and Recycling · Netherlands (Rotterdam)
This paper assesses the match between supply from New Sanitation (NS) systems and demand from Urban Agriculture (UA) for nitrogen, phosphorus, and organic matter in Rotterdam. Using the Urban Harvest Approach, the research found that UA's demand for nutrients and organic matter can be minimized by 65–85%, achieving 100% self-sufficiency for phosphorus and partial self-sufficiency for nitrogen and organic matter. The integration of NS and UA maximizes urban self-sufficiency.
Organic cycleCompostClimate changeFood sovereignty & justiceRecycling urban waste as possible use for rooftop vegetable garden
2015Baptiste Grard, N. Bel, Marchal, Nicolas, Frédéric Madre, Jean‐François Castell, Philippe Cambier, Sabine Houot, Nastaran Manouchehri, Stéphane Besançon, Jean‐Charles Michel, Claire Chenu, Nathalie Frascaria‐Lacoste, Christine Aubry · Kobra (Universitätsbibliothek Kassel) · France (Paris)
A 2012 pilot experiment in Paris, France, tested simple rooftop gardening systems using local urban organic waste as crop substrates. Measurements of production levels and heavy metal content in crops and substrates showed high crop production with limited inputs, low heavy metal pollutants in edible parts, and positive yield influence from layered substrates and earthworm inoculation. These results suggest rooftop gardening is feasible and has potential for urban resiliency, though further assessment of roof types, pollution levels, and sustainability is needed.
DIYCompostOrganic cycleHealthEffets de l’apport de produits résiduaires organiques sur le stockage de carbone, les émissions de gaz à effet de serre et la lixiviation du nitrate dans les sols agricoles périurbains
2014Emmanuelle Vaudour, Christine Aubry, Liliane Bel, Laëtitia Bréchet, Philippe Cambier, Yves Coquet, Karim Dhaouadi, Veronique V. Etievant, Benoît Gabrielle, Jean-Marc J.-M. Gilliot, Jean Christophe Gueudet, Dalila Hadjar, Jonas Hamiache, Sabine Houot, Christophe Labat, Patricia Laville, Raia Silvia Massad, Joël Michelin, Paul Emile Noirot Cosson, Jean-Noël Rampon · HAL (Le Centre pour la Communication Scientifique Directe) · France
The PROSTOCK project aimed to spatially assess the potential of recycling organic waste (exogenous organic matter, EOM) to improve soil organic carbon stocks (SCS) in peri-urban agricultural areas. It also evaluated the impacts of EOM use on greenhouse gas emissions and nitrate leaching. The Versailles Plain and Alluets Plateau (221 km²) were chosen as the study region, with field and lab measurements collected from over 250 point locations. The project advanced the use of imaging data for estimating topsoil organic carbon content (SOC) from soil reflectance spectra, but found that medium spatial resolution multispectral satellite images do not discriminate changes in SOC resulting from EOM applications.
Organic cycleCompostClimate changePeri-urban agricultureAnálisis de las características técnicas y sociales asociadas a procesos de compostaje comunitario: Estudio de caso en el huerto urbano comunitario L'Hortet del Forat y sistematización de la experiencia
2012Javier Varona Espallargas · RECAM Metropolitan Knowledge Repository · Spain (Barcelona)
This study analyzes community self-composting at the L'Hortet del Forat urban community garden in Barcelona, Spain. It aims to assess the potential for waste prevention and management, and to identify the social characteristics of users engaging in this practice.
CompostCommunityOrganic cycleRESOURCE RECOVERY AND MATERIALS FLOW IN THE CITY
2011Steffen Lehmann · Journal of Green Building · Europe
This paper discusses resource recovery and materials flow in cities, noting that urban farming has emerged as a valid urban design strategy in Europe, contributing to local food production, organic waste composting, and biodiversity. It reports on best practices for implementing zero waste, including adaptive re-use and design for disassembly, and identifies that the construction and demolition sector is a major waste producer. A key finding is that achieving 'zero-waste' requires strong industry leadership, new policies, effective education, and refocused research agendas.
Urban–rural linkageCompostOrganic cycleBiodiversityCommunityClimate change