Research & reports

Anjar Lulu Sakinah, Enny Zulaika · Jurnal Sains dan Seni ITS · Indonesia

This study aimed to isolate Azotobacter strains from the Eco Urban Farming ITS land in Indonesia that are resistant to HgCl2 and potentially produce mercury reductase enzymes. Ten HgCl2-resistant Azotobacter isolates were obtained, with isolates A5, A6, and A9 showing the highest resistance at 20 mg/L HgCl2. Isolates A5 and A9 were identified as having the potential to produce mercury reductase enzymes.

Gunwon Lee, Yunnam Jeong, Byunghak Min, Seiyong Kim · Journal of the Korea Academia-Industrial cooperation Society · South Korea

This study investigated improving South Korea's Biotope Area Ratio system for urban agriculture vitalization. The research found that the existing Biotope Area Ratio indicators, which only consider soil depth and permeability, have limitations in managing plant growth for urban agriculture. Focusing on daylight conditions as a critical factor, the study concluded that the current Biotope Area Ratio indicators are insufficient for adequately addressing plant growth in urban agriculture.

Yu Wang · · China (Xi'an City)

This study analyzed the dynamic changes in urban agricultural landscape (arable lands and garden plots) due to urbanization in Chang'an District, Xi'an City, China, using remote sensing, GIS, and FRAG-STAT techniques. Compared to 1999, arable land area decreased and aggregation declined by 2.45% in 2011, while garden plot area increased and aggregation rose by 10.44%. Improved urbanization levels decreased arable land area and increased fragmentation, but correlations with garden plot landscape indexes were insignificant.

Tian Lib · Chinese Journal of Tropical Agriculture · China (Hainan)

This paper summarized the status of protected horticulture in Hainan, China, identifying major problems such as a deficiency of special varieties, unsuitable introduced facility types, lack of a non-nuisance production system, and insufficient capacity for resisting natural disasters and environmental control. To achieve sustainable development, the local government needs to strengthen funding and policy support, enhance farmers' awareness of pollution-free production, and improve management techniques.

최정석 · 환경정책 · South Korea

This research from South Korea identifies legal and institutional problems in securing space for urban agriculture, noting that the 2013 Urban Agriculture Promotion and Support Act has not boosted urban agriculture due to a lack of space. The study focuses on urban planning regulations, parks, green areas, the Urban Agriculture Promotion and Support Act, and other related policies to suggest solutions for these issues.

Da Wang · · China (Beijing)

This study evaluates and analyzes urban agriculture in Beijing by focusing on the relationships among its subsystems and their relative influence. Results show that the comprehensive evaluation index of urban agriculture has risen steadily with a positive trend, but that the comparative advantages of both the population subsystem and the social subsystem have weakened, due to the loss of agricultural labor force and the urban-rural income gap. Meanwhile, the function of the environment and resource subsystems has strengthened, promoting a shift in Beijing's urban agricultural mode from one led by the economic subsystem toward one led jointly by the environment and economic subsystems. Given increasing pressure on environment and resources, the study concludes Beijing needs to build an ecological urban agriculture system and move away from an industrial development approach.

Kim Jin-Won, Yong-Man Yu, Na Won-Seok, Baljii Enkhjargar, Choi In-Wook, Youn Young-Nam, Young-Ha Lee Young-Ha · Horticultural Science and Technology · South Korea

In Seoul, South Korea, 260 samples of Chinese cabbage and lettuce were collected from four urban community gardens and six roof gardens between September and October 2012 and assessed quantitatively and qualitatively for microbiological and parasitological contamination. Mean total aerobic bacteria counts were 6.1±0.8 log CFU/g (range 5.4±0.6-7.1±0.8) and mean coliform counts were 4.0±0.7 log CFU/g (range 2.3±0.6-6.1±0.9), with coliforms detected in 59.6% of the 260 samples. There was no significant difference in contamination levels between cabbage and lettuce, but produce from community gardens showed higher levels than that from roof gardens (p>0.05). E. coli was isolated from 3.1% of vegetables at a level of 1.5±0.2 log CFU/g. Among foodborne pathogens, Staphylococcus aureus was detected in 1.5% of samples, while Salmonella spp., Listeria monocytogenes and E. coli O157:H7 were not detected in any sample. Unidentified parasite eggs were also found in two cabbage samples (0.8% of the total). The results indicate bacteriological contamination is present in produce grown through urban farming in Seoul, and the study calls for efforts to reduce biological contamination during cultivation.

Zakir Hussain, Markus Hanisch · Journal of Environmental Planning and Management · India

This paper describes the adaptation of agricultural management practices in the urban periphery of Hyderabad, India, due to structural changes. Based on 120 farmer interviews, the study found that increasing costs for agricultural inputs like labor and land motivated farmers to intensify water, machine, and chemical use, which created problematic environmental impacts. Farmers also adapted by resorting to part-time farming and organizing efforts to share family labor.

Lijie He · · China

This article analyzes the current situation and problems of urban agricultural development in small towns of China. It identifies severe problems hindering progress, including decreasing agricultural land, severe waste of land resources, serious agricultural pollution, low quality and income of agricultural labor, limited transport capacity, insufficient funding, and a lack of related policies and regulations.

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.

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.

Maijun, Sasmito Jati Utama · Aplikasi Administrasi Media Analisa Masalah Administrasi · Indonesia (Surabaya)

This qualitative descriptive study analyzed the effectiveness of an urban farming catfish aquaculture program in Medokan Ayu Village, Rungkut District, Surabaya City. The program was concluded to be less effective overall, showing no impact on the welfare of the poor. Low understanding among participants led to cultivation failures, and the program did not achieve its goals of poverty reduction or increased income.

Hee Soo Kim, Hyun‐Kyung Kang, Seung Jun Back · Journal of people, plants, and environment · South Korea (Seoul)

This research analyzed user satisfaction and preferences for hotel rooftop gardens in Seoul and Incheon, South Korea, to propose renovation plans. Customer satisfaction analysis showed that C Hotel and P Hotel in downtown Seoul had lower satisfaction regarding plant numbers and variety compared to H Hotel in Incheon. User preferences indicated a desire for multi-functional green spaces that host cultural and community events and offer physical exercise opportunities.

Tathagata Chatterji · South Asia Journal of South Asian Studies · India (Gurgaon)

A case study of Gurgaon, India, examined how local political factors, the rural-urban divide, and inter-governmental conflicts influenced the governance of a rapidly globalizing urban region. The study found that Gurgaon's real estate-driven transformation from a rural town to an outsourcing hub, involving the conversion of peri-urban agricultural land, has resulted in a fragmented landscape with glaring inequalities. This rapid urban makeover created everyday tensions and contradictions, particularly evident with the formation of a new municipal corporation.

WU De-hu · Anhui nongye kexue · China (Zhengzhou)

This study elaborated on the significance of developing characteristic agriculture in China's Central Economic Zone, using Zhengzhou urban agriculture as an example. It identified existing problems in urban agriculture development, including understanding deviation, extensive development, market confusion, short industrial chains, low specialization, and harsh environments. The research proposed countermeasures such as strengthening government macro-control, perfecting compensation mechanisms, and promoting scientific innovation and industrialization.

Prem José Vazhacharickal, Martina Předotová, D. Chandrasekharam, Sharit K. Bhowmik, Buerkert, Andreas · Journal of Agriculture and Rural Development in the Tropics and Subtropics (University of Kassel) · India (Mumbai)

A study surveyed 38 railway gardeners to characterize urban and peri-urban agricultural production along railway tracks in the Mumbai Metropolitan Region. Irrigation water contained nutrients but also heavy metals such as lead, cadmium, and mercury, and pathogens like Escherichia coli. Heavy metal levels exceeded critical thresholds in surface soils for chromium, nickel, and strontium, and in produce for lead, cadmium, and strontium.

K.G. Rosin, Ravinder Kaur, Sushma Singh, Prabhat Kumar Singh, Digvijay Dubey · Procedia Environmental Sciences · India

A study was conducted in peri-urban agricultural sites around Faridabad, Haryana, India, to assess groundwater contamination and the contribution of salt/trace metal-laden irrigation waters. Mean EC, Cl, and F concentrations in root zone leachates were found to be far beyond permissible limits, and some trace metals posed a threat to deep percolating waters. However, due to existing cropping patterns and deeper water table depths, the groundwaters were not yet vulnerable to these salts/trace metals, and the presence of salts in the groundwaters was primarily geogenic.

김효정 · 한국여성학 · South Korea

Through in-depth interviews and participant observation research targeting women's activist organizations established since 2010, the characteristics of urban agriculture cases led or participated in by unmarried women in their 20s and 30s were analyzed. Unmarried women activists met the growing demand for safe and healthy food among single-person households through community farming in urban areas, practicing agriculture not only for food production but also as a lifestyle pursuit and recreational culture. However, their practices face limitations such as urban space constraints, difficulties for unmarried women to relocate to rural areas, excessive ecological value attribution, and a lack of solidarity with rural communities.

박진욱, 안계복 · · South Korea

This study analyzes the current state of urban farming in South Korea through its legal system, the implementation status of the urban farming act, on-the-ground conditions, and comprehensive plans, in order to identify institutional improvements. It concludes that securing more space for urban farming and improving the support system for urban farmers are the two essential factors for improvement, and that—beyond these institutional and systematic reforms—enthusiastic engagement from local governments, secured budgets, and cooperation with citizens are necessary to expand sustainable urban farming.

QI Airon · · China

A study of Xi'an, China, built indicators for urbanization and urban agriculture development and applied principal component analysis and correlation analysis to examine their interaction mechanism and quantitative coupling relationship. Urbanization was found to promote urban agriculture's commercialization and scale through market effects and information diffusion, but rapid urbanization's rising population and industrial land use also strained land and water resources and degraded soil and the urban ecological environment, constraining urban agricultural development.

Shengzhong Chen · Guangdong nongye kexue · China (Guangzhou)

This study analyzed the development conditions, process, characteristics, and barriers of urban agriculture in Guangzhou City. It showed that while urban agriculture in Guangzhou has formed functions such as production, technology demonstration, ecological barriers, and leisure services, it faces internal and external development barriers including a decline in agriculture's status, expansion of urban land, labor shortages, and environmental pollution. These barriers hinder the healthy and sustainable development of urban agriculture.

윤희정, 조미경 · · Korea

This study aimed to critically consider and classify new paradigms for urban parks in the 21st century. While urban parks exhibit progressive aspects such as process, openness, productivity, and community space, they face significant criticism regarding the long development period for tree growth, covering open spaces, ecological limitations, economic validity, urban sprawl, underutilization as a low-carbon strategy, and negative consilience with contiguous fields. Based on these critical considerations, the study proposed urban agricultural parks as an alternative.

강현정, 김세용 · 한국주거학회 학술발표대회 논문집 · South Korea

Modern cities prioritize development, leading to environmental deterioration. The biotope area ratio may not adequately reflect spatial utilization and plant growth conditions in multi-unit dwellings. While urban agriculture holds potential for environmental reform, a systematic framework and clear guidelines for its practical application are currently lacking. This study aims to derive crop indices for revitalizing urban agriculture and propose development directions for the biotope area ratio.

이행우, 김용성, 이재일 · · South Korea

This study noted that vertical farms face problems with economic viability and a lack of resident awareness. It derived types of vertical farms applicable to residential spaces and inferred assessment items for a questionnaire survey to develop u-services. Based on issues from the survey, u-services needed in vertical farm buildings were proposed, including u-notification of crop conditions, remote/automatic control u-services, harvest information u-service, recipe information u-service, indoor air quality monitoring u-service, indoor environment adjusting u-service, and farm environment control u-service.