Research & reports
Peer-reviewed research and reports on community urban agriculture, food education, composting, welfare and more.
Theme
Critical findings
301 results(10 / 13)
Biogeochemical characterization of municipal compost to support urban agriculture and limit childhood lead exposure from resuspended urban soils
2017Maia G. Fitzstevens, Rosalie M. Sharp, Daniel J. Brabander · Elementa: Science of the Anthropocene · United States (Boston)
To support urban agriculture and limit childhood lead exposure from resuspended urban soils, this study measured bulk and bioaccessible lead in five types of compost used in Boston urban gardens. Different feedstocks showed unique geochemical fingerprints; bulk lead in compost was a fraction of that in urban soils, yet the bioaccessible fraction exceeded the IEUBK model's default parameters. Based on the observed bioaccessibility, 170 mg/kg total lead in compost yields the same bioaccessible lead as the model predicts for the 400 mg/kg EPA soil benchmark, so risk assessments should treat compost as an urban matrix.
CompostOrganic cycleHealthDevelopment of organic fertilizers from food market waste and urban gardening by composting in Ecuador
2017Janneth Jara-Samaniego, M.D. Pérez-Murcia, M.A. Bustamante, C. Paredes, A. Pérez‐Espinosa, Irene Gavilanes-Terán, Marga López, Frutos C. Marhuenda‐Egea, H. Brito, R. Moral · PLoS ONE · Ecuador (Chimborazo Region)
This study developed a field-scale demonstration project in Ecuador's Chimborazo Region to evaluate composting technology for managing organic waste from food markets and urban gardening. Three co-composting mixtures were prepared using market waste and pruning materials. All piles showed suitable composting development with significant organic matter decomposition, and the resulting composts lacked phytotoxicity and possessed suitable agronomic properties for use as organic fertilizers.
CompostOrganic cycleDIYPendampingan Masyarakat Dalam Pengelolaan Sampah Organik Skala Komunal Untuk Mendukung Implementasi Program Urban Farming
2017Reni Amaranti · ETHOS (Jurnal Penelitian dan Pengabdian) · Indonesia
This community service activity provided assistance to communities in Indonesia to manage organic waste at the local Rukun Tetangga (RT) level. The aim was to support urban farming programs by addressing the uneven spread of knowledge and low public participation in waste utilization. The activity focused on helping communities utilize their existing potentials and resources for waste management.
CompostOrganic cycleCommunityFood educationAssessing How the Ratio of Barley Mash to Wood Chips in Compost Affects Rates of Microbial Processing and Subsequent Vegetable Yield
2017Gaston E. Small, Brendan Sisombath, Lauren Reuss, Russ Henry, Adam D. Kay · Compost Science & Utilization · Global
The study measured the effects of different barley mash to wood chip ratios on nutrient retention in compost and subsequent vegetable yield. Nine compost piles (1 m3) were constructed with varying ratios, and the 50:50 mixture maintained internal temperatures above 55°C for 30 days. When the finished compost was used in raised-bed garden plots, arugula and tomato yields increased with compost barley mash content, but less than 5% of N and 2% of P were recycled into new vegetable production.
CompostOrganic cycleDIY“ECOBLUE”:KONSEP KOMBINASI IMPLEMENTASI RUANG TERBUKA BIRU (RTB) DAN URBAN FARMING BERBASIS KESEJAHTERAAN, PENDIDIKAN DAN KESEHATAN MASYARAKAT KAMPUNG CODE
2017Nur Faizah Marwan, Bagas Setiono, Nur Indah · Jurnal Ilmiah Penalaran dan Penelitian Mahasiswa · Indonesia
Code Village in Indonesia faces severe river pollution, with heavy metal levels at 6-9 mg/l, exceeding the 3 mg/l standard. This paper proposes the "ECOBLUE" concept, which combines Blue Open Space (BOS) optimization with urban farming, prioritizing waste management to improve living standards. The concept involves managing organic waste for fertilizer and recycling plastic for vertical gardens, aiming to enhance health, education, and prosperity in Code Village.
CommunityHealthFood educationWelfareCompostOrganic cycleHydrochars from Biosolids and Urban Wastes as Substitute Materials for Peat
2017María Luisa Álvarez, Gabriel Gascó, César Plaza, Jorge Paz‐Ferreiro, Ana Méndez · Land Degradation and Development · Global
This study compared peat, hydrochars from biosolids (HSL) and urban wastes (HUW), and their 50% volume mixtures with peat, as potential substrates. Ryegrass was grown in these mixtures, and hydrophysical and biochemical properties were analyzed. Treatments with biosolids hydrochar (HSL) and its mixture with peat (PT + HSL) increased ryegrass dry weight production by 184% and 216% respectively, compared to peat.
Organic cycleCompostChapitre 19. Valorisation agricole des déchets domestiques et industriels dans les agrosystèmes en Afrique de l’Ouest et à Madagascar
2017Dominique Massé, Moussa N’Diénor, Edmond Hien, Tovonarivo Rafolisy, Yacine Badiane Ndour, Alfonse Bilgo, Serge Houot, Christine Aubry · IRD Éditions eBooks · Sub-Saharan Africa
This chapter reviews research since 2006 on composting urban waste and using municipal landfill screenings in Sub-Saharan Africa. In Ouagadougou, urban waste compost significantly increased sorghum yields (2 to 5 times higher than controls) over two years, with phosphorus content being crucial when concentrated at plant level, and mineralization rate determining yield when spread. In Madagascar, soil from the Andralanitra landfill showed value as an amendment or fertilizer for tomato cultivation, though application principles and safety need definition. However, municipal landfill screenings from Dakar did not achieve yields comparable to horse manure when tested on tomato crops.
CompostOrganic cycleUrban–rural linkageEconomics도시농업용 바이오차 시용이 상추 생육에 미치는 효과
2017이윤숙 · · Global
Urban agriculture has gained emphasis due to its importance for leisure and recreation in modern society. However, public health may not be guaranteed due to continuous odors from animal compost. Biochar is an amendment that can reduce odors and enhance crop productivity, but this abstract is truncated and does not present specific research findings.
Contamination & food safetyCompostHealthOrganic cycleEFFECT OF DIFFERENT VERMICOMPOST RATES AND POT VOLUME ON PRODUCING CELERY AND RED CABBAGE UNDER URBAN HORTICULTURE CONDITIONS
2017S. H. Ahmed, M. Emam, M. Abul-Soud · Zagazig Journal of Agricultural Research · Egypt (Cairo)
This study investigated the effect of different vermicompost rates (10%, 20%, 30%) and pot volumes (4, 6, 8 L) on celery and red cabbage grown under green roof conditions in Cairo, Egypt, during 2014/2015 and 2015/2016. Increasing pot volume from 4 to 8 L increased vegetative growth and yield but decreased economic efficiency. A 20% vermicompost rate increased vegetative and yield characteristics, while 30% had a negative impact. Increasing vermicompost from 10% to 30% increased N, P, and K contents, but increasing pot volume from 4 to 8 L/plant decreased N, P, and K contents.
CompostOrganic cycleClimate changeFood sovereignty & justiceVers une valorisation des déchets ménagers en agriculture (péri) urbaine à Kolwezi : caractérisation et influence de la saisonnalité
2017Upite Joseph Tshala, Misonga Alain Kitabala, Mwamba Jean-Pierre Tunda, Kayakez Michel Mufind, Miji Arsene Kalenda, Kanyimbu Georges Kapele, Kimuni Luciens Nyembo · Journal of Applied Biosciences · Africa
This study, conducted from May 2015 to April 2016 in Kolwezi, assessed the agronomic characteristics of compost from household waste and determined its biodegradable fraction for agricultural use. Waste was collected from 100 households, revealing biodegradable and non-biodegradable fractions, with quantities varying by season and commune. The biodegradable fraction represented 53% of the average monthly waste of 1001.5 kg per household. Major element concentrations were relatively high compared to Cameroon, while heavy metal concentrations were well below international standards.
CompostOrganic cyclePeri-urban agricultureEffects of biochar, waste water irrigation and fertilization on soil properties in West African urban agriculture
2017Volker Häring, Delphine Manka’abusi, Edmund Kyei Akoto-Danso, Steffen Werner, Kofi Atiah, Christoph Steiner, Désiré Jean‐Pascal Lompo, S.G.K. Adiku, Andreas Buerkert, Bernd Marschner · Scientific Reports · Sub-Saharan Africa
This 2-year study in Tamale (Ghana) and Ouagadougou (Burkina Faso) investigated the effects of biochar, wastewater irrigation, and fertilization on sandy, nutrient-depleted soils in urban vegetable production. Biochar addition (2 kg m⁻²) initially doubled soil organic carbon (SOC) stocks, but 35% SOC losses occurred afterward. Both biochar types had no effect on soil pH, phosphorus availability, or cation exchange capacity, though rice husk biochar retained nitrogen. The study found that the effects of biochar and waste water were less pronounced than reported elsewhere.
Environmental trade-offsOrganic cycleCompostClimate changeLead in Urban Soils: A Real or Perceived Concern for Urban Agriculture?
2016Brown S.L., Chaney R.L., Hettiarachchi G.M. · Journal of Environmental Quality, 45(1):26-36 · United States
A review examining the risk that urban soil lead poses to urban agriculture. It concludes that adding compost, organic matter and phosphorus improves soil properties and reduces both the bioavailability of soil lead and fugitive dust, so urban agriculture is unlikely to raise children's blood lead. The findings support the safety of compost-centred soil management in urban gardens.
CompostHealthPolicyOrganic cycleEconomic assessment system towards sustainable composting quality in the developing countries
2016· Clean Technologies and Environmental Policy · Global
Proposes an economic assessment framework aimed at achieving sustainable composting quality in low-cost, small-scale composting contexts in developing countries.
DIYCompostEconomicsStudy of the Nutrient Composition of Organic Fertilizers in the Zone of Bobo-Dioulasso (Burkina Faso)
2016GOMGNIMBOU Alain P. K., COULIBALY Kalifa, SANON Abdramane, BACYE Bernard, Hassan NM, Sedogo P. Michel · Zenodo (CERN European Organization for Nuclear Research) · Burkina Faso
This study aimed to chemically characterize organic fertilizers used in urban agriculture in Bobo-Dioulasso, Burkina Faso. For this purpose, seven animal-based fertilizers were analyzed.
Organic cycleCompostBuilding a Greener Future: Using Engineering Design to Connect Classroom with Community
2016Blake Baldwin, Kathleen Koenig, Andries Van der Bent · The Science Teacher · United States
This article describes a partnership between an urban, Midwestern STEM high school, a local university's Engineers Without Borders (EWB) chapter, and a nonprofit organization. In spring 2014, an engineering design unit was developed for high school juniors in a Principles of Engineering course to update compost bins for a community garden. The unit integrated science content with engineering practices, aiming to help students understand conservation, learn the science behind composting, and design effective compost bins to meet the client's needs.
Food educationCommunityCompostAn Integrated Environmental Analysis Framework for Multi-Functional Urban Food Production Utilizing Nutrient Recycling from Organic Waste Streams
2016William Kort · UWM Digital Commons (University of Wisconsin–Milwaukee) · United States
This study developed a framework for life cycle environmental assessment of urban organic waste utilization in urban agriculture, specifically fruit and vegetable production. Results suggest that a full "urban nutrient cycle" offers significant environmental benefits, including meeting up to 70% of vegetable and 17% of fruit consumption needs in Northern and Eastern U.S. cities, with potential water savings of 10-17% of annual domestic use. Optimizing resource recovery through source separation leads to 1-2% lower wastewater generation and up to 44% greater phosphorus recovery, while overall energy and emissions benefits are 1-2% of a city's annual totals.
Organic cycleCompostClimate changeBiodiversityHarvest 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 & justiceNutrients: Growing Systems and Zero Waste Future
2016Gundula Proksch · · Global
This chapter discusses urban agriculture as a holistic approach to nutrient resource management in cities, aiming to reestablish closed-loop systems for nutrient recycling. It provides knowledge on aligning plant nutrient needs with efficient growing systems and recycling strategies like composting and anaerobic digestion. The chapter also illustrates the potential integration of these systems into building designs and their impact on building performance.
Organic cycleCompostUrban–rural linkageHorta comunitária de base agroecológica com sistema de irrigação e compostagem
2016Talita Slota Kutz, Fernanda Daniela Bandelero, Jéssica Cardoso, Thiago de Olivera Vargas · · Brazil
This work describes a 16-hour theoretical-practical workshop conducted in a settlement in Peritoro-MA, Brazil, during the "Operacao Velho Monge" of Project Rondon in 2014. The workshop aimed to disseminate agroecological horticulture through the implementation of a pilot community garden project with drip irrigation and composting systems, facilitating learning for both the settlement community and participating students.
CommunityCompostFood educationOrganic cyclePrompts to improve post-consumer waste composting behaviors in the SUB
2016Valerie Chiykowski, Guhan Chendurnathan, Jun S. Lee, Lius Daniel · cIRcle (University of British Columbia) · Canada
This project at the University of British Columbia's Student Union Building (SUB) aimed to reduce contamination in post-consumer organics bins using visual prompts. While the intervention successfully decreased both the percentage weight and level of contamination, the overall weight of compostable waste also decreased post-intervention. The study suggests considering confounding factors like a sustainability fair during baseline data collection and improved bins, and proposes an infrared sensor-based audio prompt system for future efforts.
Governance failureCompostOrganic cycleCommunityAssessing and Managing Soil Quality for Urban Agriculture in a Degraded Vacant Lot Soil
2015Joshua W. Beniston, Rattan Lal, Kristin L. Mercer · Land Degradation & Development · United States (Youngstown)
In Youngstown, Ohio, this study measured soil and plant responses to organic-matter amendments made from yard wastes and to raised beds on vacant lots where houses had recently been demolished. Two years after application, the amendments significantly improved soil physical, chemical, and biological properties and increased vegetable yields, with a soil quality index comparable to rural agricultural soils. The results indicate urban agriculture can be productive on vacant land and that yard-waste amendments can restore degraded urban soils.
CompostOrganic cycleUse of soil amendments for urban horticulture in the savannah and forest areas of Ghana
2015Abdul‐Halim Abubakari, Laura Atuah, B. Banful, Hypolite Bayor · Journal of Soil Science and Environmental Management · Ghana
A study in Ghana reviewed literature and surveyed farmers on soil amendments for urban horticulture. The review found that research on soil amendments has been limited to land management and nutrient recovery, not addressing quality issues for specific production systems. Farmers adopt varying application rates due to lack of standardization, and barriers include technology for collection, funds for purchase, and labor employment.
Economic viabilityDIYCompostEconomicsUrbanization and soil nutrient challenges and opportunities: lessons from Malawian cities.
2015David Mkwambisi, Andrew J. Dougill, Philip Antwi‐Agyei, C. P. Chabvuta · CABI eBooks · Malawi
Research in Lilongwe and Blantyre, Malawi, assessed urban agriculture's potential to improve soil quality, crop yields, and livelihoods. Preliminary evidence showed urban waste could address food insecurity and soil nutrient benefits, but several constraints in waste management were identified. City authorities are not proactively utilizing organic municipal waste for soil quality and agricultural production benefits.
Governance failureOrganic cycleFood sovereignty & justiceEconomicsCompostRecycling 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 cycleHealthOrganic Urban Agriculture
2015Klaus Lorenz · Soil Science · Global
Urban agriculture (UA) engages approximately 800 million people globally and covers over 67 million hectares of urban cropland. While UA contributes to food security, growing food in urban ecosystems, particularly on degraded urban soils, presents challenges. Past research on UA has focused on social sciences, and although studies on urban soils have increased, many urban areas remain neglected. Further research and dissemination of knowledge are needed on how to maintain or enhance urban soil fertility through soil and land-use management practices.
Limited or null effectOrganic cycleFood sovereignty & justiceCommunityCompost