Abstract
The rapid increment of low and middle-income consumers is exerting pressure on the food supply in urban areas. The objective of the study was to identify the present status of rooftop gardening. The study was conducted in the 4 selected residential areas of Dhaka city through plot to plot interview by using questionnaire. Land use nature is divided into four categories like residential, commercial, educational and mixed. Field survey was conducted on 1376 buildings in Dhanmondi, 391 buildings in Lalmatia, 272 buildings in Mohakhali Defense Officers Housing Society (DOHS) and 697 buildings in Uttara 13 no. Sector. Study found that, 39.1%, 59.2%, 36.6 % and 22.2% buildings have rooftop gardening in those selected locations respectively. The study reveals that, nearly one-third of the buildings (36.4%) contain rooftop gardening which basically depends on the aesthetic sense and moral values of individuals. Government should appreciate initiatives and consider proper planning policy to motivate citizen of the urban areas for planting fruit plants and vegetable in their roof. RTG system may also contribute to achieving the Sustainable Development Goals (SDGs). The proposed study identifies the need for long-term policy measures for rooftop gardening that can become the basis for a sustainable approach for urban agriculture.
Highlights
On the verge of the rapid growth of urbanization in today’s world the sustainable agriculture become a challenge
If we see the area wise proportion, it is found that Mohakhali Defense Officers Housing Society (DOHS) is in better position having 59.20% of buildings with Rooftop gardening (RTG) and the poorest condition is in the Uttara 13 no
The necessity of urban agriculture in ensuring a sustainable and secured food supply is approved by worldwide. It is a very fact for a city of a developing country like Dhaka where the rate of urbanization is very high but the quantity of arable land to ensure the sufficient food supply is becoming less
Summary
On the verge of the rapid growth of urbanization in today’s world the sustainable agriculture become a challenge. Dhaka the capital of Bangladesh, is such a one of these cities which will be a megacity by 2030 with 27 million people and by 2050 with 35 million having a present population density of 50000 per square kilometer [8,9]. With this rapid as well as unplanned urbanization, incidence of urban poverty and food insecurity has been escalating alarmingly in Dhaka [10]. Urban agriculture is very efficient since its potential yields is up to 50 kg per m2 per year and more which can be even 4.5 times compare to the production from conventional farming as seen in Havana [1,2,4 ]
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