http://www.agdevjournal.com/volume-5-issue-2/510-products-urban-collective-gardens.html

Pourais, Jeanne; Duchemin, Éric; Aubry, Christine

doi:10.5304/jafscd.2015.052.005

Cited by 28 publications

(17 citation statements)

References 19 publications

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“…Therefore, the fungi lasted as long as the tomato plants, thus weakening them. Nevertheless, yields for L and L-I units were equivalent to those observed in private vegetable gardens in the Paris area (Pourias et al 2015) and other productive rooftops (Samangooei et al 2016), but lower than those observed in a comparable rooftop system where compost was used together with mineral fertilizers under a different climate (Orsini et al 2014) (Table 2). The present Technosols had a priori favorable characteristics for vegetable growth with a slightly acidic to slightly basic pH (Fig.…”

Section: Food Productionmentioning

confidence: 65%

Rooftop farming on urban waste provides many ecosystem services

Grard

Chenu

Manouchehri

et al. 2017

Agron. Sustain. Dev.

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Urban farming, especially on rooftops, is a popular and growing topic in both the media and the scientific literature, providing a genuine opportunity to meet some of the challenges linked to urban development worldwide. However, relatively little attention has been paid to date to the growing medium of green roofs, i.e., Technosols. A better understanding of the influence of Technosols and the link with ecosystem services is required in order to maximize the environmental benefits of urban rooftop farming. Between March 2013 and March 2015, a pilot project called T4P (Parisian Productive rooftoP, Pilot Experiment) was conducted on the rooftop of AgroParisTech University. Urban organic waste was used, and results were compared with those obtained using a commercial potting soil, based on yield and trace metal concentrations, substrate characterization, and the amount of leaching. An assessment of the ecosystem services expected from the Technosols was undertaken in terms of the output of food (food production and quality), regulation of water runoff (quantity and quality), and the recycling of organic waste. Indicators of these ecosystem services (e.g., yield, annual loss of mass of mineral nitrogen) were identified, measured, and compared with reference cases (asphalt roof, green roof, and cropland). Measured yields were almost equivalent to those obtained from horticultural sources in the same area, and the Technosols also retained 74-84% of the incoming rainfall water. This is the first quantitative analysis of ecosystem services delivered by urban garden rooftops developed on organic wastes, and demonstrates their multifunctional character, as well as allowing the identification of trade-offs. An ecosystem services approach is proposed for the design of soilbased green infrastructure of this kind and more generally for the design of sustainable urban agriculture.

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Section: Food Productionmentioning

confidence: 65%

Rooftop farming on urban waste provides many ecosystem services

Grard

Chenu

Manouchehri

et al. 2017

Agron. Sustain. Dev.

Self Cite

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“…Previous research has also noted the wide variability of yields among individual gardens [10,11,13,20,31,32]. Table 1 compares the EG yield results with the yield results of those previous studies which explicitly reported area under production and their duration of data collection.…”

Section: New Findings On the State Of Existing Urban Food Gardensmentioning

confidence: 92%

Productivity, resource efficiency and financial savings: An investigation of the current capabilities and potential of South Australian home food gardens

2020

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As the dominant form of urban agriculture (UA) in Australia, existing home food gardens potentially represent a significant resource in the context of future urban food security and sustainability. However, a severe lack of in-field data has hindered our understanding of the form and function of home food gardens which in turn may hinder innovation and improvement. We investigated the productivity, resource efficiency and potential financial savings of home food gardens in South Australia. A group of 34 citizen science participants measured and recorded inputs and outputs from their gardens. Inputs included time spent on various gardening activities, financial costs, and water use. Outputs included crop yields, from which retail value and nutritional content were then derived. The paper outlines a field-demonstrated, comprehensive methodology for continued and consistent data collection for all forms of UA. We found smaller gardens to be more intensive than larger gardens, requiring higher inputs, but also returning higher outputs per unit area. Both productivity and resource efficiency varied among the gardens, and labour requirements were significantly lower than previously estimated. Water use efficiency of the gardens were calculated and found to have comparable water use efficiency to commercial horticulture. Of the gardens involved, we calculated that 65% should break even in five or less years and save money. After applying a minimum wage almost one in five gardens were financially viable. The results represent the most comprehensive measurements on home food gardens to date, and allow practical, evidence-based recommendations for diversification, time saving and smart irrigation practices to improve garden productivity and enhance the viability of UA.

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“…The average yield rate across eight studies that have quantified harvests in home and community gardens is 0.6 lbs/ft 2 (2.93 kg/m 2 ) of growing space (author calculations from Algert, Baameur, & Renvall, 2014;CoDyre, Fraser, & Landman, 2015;Conk & Porter, 2016;Gittleman, Jordan, & Brelsford, 2012;Pourias, Duchemin, & Aubry, 2015;Smith & Harrington, 2014;Vitiello & Nairn, 2009;Vitiello, Nairn, Grisso, & Swistak, 2010). This approaches the yield rate of 0.67 lbs/ft 2 (3.27 kg/m 2 ) estimated to be typical of vegetable farms (Seufert, Ramankutty, & Foley, 2012).…”

Section: Literature Reviewmentioning

confidence: 99%

Growing Our Own: Characterizing Food Production Strategies with Five U.S. Community-based Food Justice Organizations

Porter

2018

J. Agric. Food Syst. Community Dev.

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Community-based organizations (CBOs) leading the U.S. food justice movement have helped expand community food production. Understanding the nature of this work is one key to being able to more effectively support and expand it. The literature, however, contains little scholarly work characterizing production-related practices of food justice CBOs. To help fill that gap, this paper draws from participatory action research with five CBOs to identify and characterize their community food production activities and goals. This research was conducted over five years, during a project called Food Dignity, using three main methods: digital storytelling; collaborative pathway modeling; and conventional case study methods that included interviews, participation and observation, and document analysis. These data sets were examined to identify what production activities the CBOs support and why they undertake them.Results suggest that the CBOs invest in community food production in eight main ways. Five are directly related to food. Listed roughly in decreasing order of intensity and frequency of the activities, these are (1) growing vegetables and fruits, (2) supporting community gardens, (3) supporting individual gardeners, (4) supporting local farmers, and (5) fostering other kinds of food production. Additionally, three crosscutting strategies underpin all the CBOs' work, including community food production: (6) connecting people and organizations, (7) promoting community food

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http://www.agdevjournal.com/volume-5-issue-2/510-products-urban-collective-gardens.html

Cited by 28 publications

References 19 publications

Rooftop farming on urban waste provides many ecosystem services

Rooftop farming on urban waste provides many ecosystem services

Productivity, resource efficiency and financial savings: An investigation of the current capabilities and potential of South Australian home food gardens

Growing Our Own: Characterizing Food Production Strategies with Five U.S. Community-based Food Justice Organizations

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