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Rooftop Gardening in Chattogram City Areas of Bangladesh- an Empirical Study

M. Jamal Uddin*
Bangladesh Agricultural Research Institute (BARI), RARS, Hathazari, Chattogram, Bangladesh

M. K. R. Bhuiyan
Regional Agricultural Research Station, BARI, Hathazari, Chattogram, Bangladesh

Rozina Akhter
Metropolitan Agriculture Office, Panchlaish, Chattogram, Bangladesh

Kamrum Moyazzam
Metropolitan Agriculture Office, Doublemooring, Chattogram, Bangladesh

Paromita Ghosh
Metropolitan Agriculture Office, Doublemooring, Chattogram, Bangladesh

Abstract/ Executive Summary:

The study was carried out in three selected metro areas of Chattogram city of Bangladesh covering 90 sample households. Proportionate random sampling technique was followed. Results revealed that the average rooftop space per household was recorded as 2248.23 sq. feet; whereas 1268.4 sq. feet (56.42%) was under rooftop garden (RTG), 588.5 sq. feet (26.17%) was remained as open and 391.3 sq. feet (17.41%) was identified as potential space for expanding the garden. All of the gardens were installed at 2-10th stories of the buildings. As crop diversity 26 types of vegetables, 39 types of fruits, 11 types spices and 22 types of flower/ornamental and medicinal plants were found to be grown in the current RTG’s. But the number of crops varies significantly among the garden and locations. About 16 types of containers were used for growing plants. The total yield was recorded to be 135.38 kg per garden from 22 types of vegetables in the year of 2019. Among them, the highest yield was received from bottle gourd, 17.98 kg followed by tomato, 9.33 kg and country bean, 8.99 kg. In the case of fruits, the total yield was recorded as 77.24 kg per garden from 18 types of fruits in the same year. Among these, mango gave the highest yield (8.57 kg), followed by papaya (8.38 kg) and guava (7.52 kg). Research should be carried out on crop selection, fertilizer and irrigation management under different container systems and to develop a suitable RTG model for greening city of Bangladesh.

Keywords: Rooftop Gardening; Chattogram; City Areas, Empirical Study

Location: Chattogram City Areas of Bangladesh

Start Date:

End Date:

Program Area: Resource Development and Management

Commodity: Rooftop gardening

Objectives:

The study is important and realistic with the objectives (i) to document basic information of the respondent and RTG’s; (ii) to identify the crop diversity and their container used in the RTG; (iii) to estimate the yield of different crops, benefits and problem associated with the RTG and (iv) to derive suggestion and policy implications for future intervention on RTG.

Methodology:

Selection of study areas: For ensuring proper representation of location, three metropolitan areas namely Panchlaish, Doublemooring and Patenga were selected purposively from Chattogram city areas. Before selecting the areas, one discussion meeting was held with the Additional Director of DAE, Agrabad, Chattogram along with three Metropolitan Agriculture Officers. A half-day long discussion was made and finalized the locations based on availability of rooftop garden.

Selection criteria of the respondents: Selection procedure for the respondents is very important for collecting authentic information. After long discussion with the DAE personnel, the following criteria were fixed for selecting the respondents. These are: (i) willingness of the respondents (ii) cooperative motive (iii) easily accessible to the garden and (iv) having potential space on rooftop for future intervention.

Sample size and sampling techniques: Sampling, there are no strict rules to follow, and the researcher had to rely on logic and judgment. Cochran [10] suggested that there is no safe general rule as to how large sample size must be for use of the normal approximation in computing confidence limit.Freund and Williams viewed that when the population size is known or roughly so and the researchers are careful of the heterogeneity problem, any number (equal to or) greater than the statistically large sample (of 30 sample units) may be appropriate. Proportionate random sampling technique was adopted for selecting the sample size in each location. In this process, a sampling frame was constructed by 100 rooftop gardener for each location. After that, the proportionate sampling (30%) was done considering the minimum number of 30 households required for statistical analysis in each location. By applying this technique, due to resource limitations a total of 90 sample households were selected for the study. Uddin [12] selected the sample size with the same procedures for their study.

Data collection procedure: Mainly primary data were used in the study. The extensive literature review, relevant documents/reports and secondary information were collected for the study. Primary data were collected from sample households using the semi-structured questionnaire. In total 10 well experienced Sub-Assistance Agriculture Officers from each Metropolitan Agriculture Offices (3-4 SAAO’s for each location) were engaged for data collection. Before starting data collection, a discussion meeting on the questionnaire was held in each metropolitan agriculture office. The data collection period was from January to March 2020. Researcher himself and three Metropolitan Agriculture Officers monitored the data collection time to time and crosschecked the collected data at field level. Analytical techniques: In the study, the primary data were analyzed. Descriptive statistics i.e. mean, standard deviation, percentage were used to analyze the data. The mean comparison and significance test was done by One-Way ANOVA using SPSS. In ANOVA technique, the F-value was used to judge whether there is a significance difference or not among the locations and samples.

Source of Information: Journal of Agricultural Science & Engineering Innovation (JASEI); U.S. ISSN 2694 -4812 Vol. 2, No. 1, 2020

Article Link (Online Journal): DOI: http://doi.org/10.5281/zenodo.4613812

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Urban agriculture (UA) particularly rooftop gardening contributes significantly to creation of healthy environment and food security. It ensures supply of fresh food by enhancing the quality of perishable foods reaching urban consumers. Though the Government of Bangladesh has projected great progress in agricultural sectors but most of them are of traditional ones. The government yet does not have any specific policy, provision or legislation that promotes urban agriculture. Governmental guidance and encouragement is urgently needed to spread out the concept of RTG and make it popular among urban people. In order to realize the potential that RTG can offer, major changes of thinking at the policy making level is required. Conduction of some fundamental researches and experimentations /demonstration is required. This could be successful with required political commitment and concerted actions, underpinned by scientific researches, technical expertise and good design of RTG model suited for the urban areas.

Knowledge Management: Journal