Present Scenario and Problem Confrontation of Rooftop Gardening and its Efficacy in Ambient Environment Reclamation in Khulna City

Manabika Sheel, M. Ahmed, S. Khan, Md. Matiul Islam
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引用次数: 4

Abstract

In the urban area there is scarce space for planting trees and cultivating agricultural plants. Rooftop gardening might be an alternative to overcome this land scarcity. However, the present status of rooftop gardening and the associated problems are yet to be documented. The present study mainly analyzes the scenario of rooftop gardening, its problem confrontation and its effects on the surroundings. Nirala and Sonadanga area of Khulna city were purposively selected for the study from where a total of 60 rooftop gardens were randomly selected for face-to-face interview with a pre-tested interview schedule during the period of 15 March to 20 April, 2018. Results showed that majority of the rooftop gardeners belonged to the group of old age (40%), undergrad and above level of education (61.6%) and small family size (55%) with high annual income (41.7%). Majority of them had low experience (40%), but high knowledge (76.7%) on rooftop gardening. Besides, 58.3% respondents had no organizational participation along with seldom extension contact (66.7%) and seldom cosmopoliteness (81.7%). More than half of the respondents (65%) had small size (≤1000 ft2) roof area suitable for gardening. The rooftop gardeners earned very poor economic benefit from the garden compared to bearing large expenditure for it. Most of the respondents preferred rooftop garden as a hobby (98.33%) and aesthetics (90%). Again, 51.67% respondents considered it as an aspect of ecological balance. Vegetables (16.57%) and flowers (12.53%) were the most dominating plants in the study area for rooftop gardens. Main intercultural operations included irrigation, weeding, training/pruning and control of insects and diseases. Commonly faced insects were ant, mealy bug and green leaf hopper with the diseases of die back, viral disease, leaf curling and leaf scorching. Common fertilizers used in the study area were cow dung, compost, urea, MoP and sesame cake. Excessive heat (91.67%), lack of proper nourishment (87.08%) and roof load (72.92%) were the most severe problems. Among the 9 selected characteristics only age of the respondents showed significant positive relationship with problem confrontation. Besides, weather parameters showed positive impacts in case of green roof than empty roof. Thus, the overall results indicate great contributions of rooftop gardening in urban areas in terms of environmental reclamation.
库尔纳市屋顶园艺现状、问题对抗及环境整治效果
在城市地区,植树和种植农作物的空间很少。屋顶园艺可能是克服土地短缺的另一种选择。然而,屋顶园艺的现状和相关问题还有待记录。本研究主要分析了屋顶园艺的场景、问题对抗以及对周围环境的影响。在2018年3月15日至4月20日期间,有目的地选择库尔纳市的Nirala和Sonadanga地区进行研究,随机选择60个屋顶花园进行面对面访谈,并按照预先测试的访谈时间表进行访谈。结果显示,屋顶园丁以老年人(40%)、本科及以上文化程度(61.6%)、家庭规模小(55%)、年收入高(41.7%)为主。大部分受访者对屋顶园艺的经验较低(40%),但了解程度较高(76.7%)。此外,58.3%的受访者没有组织参与,很少有扩展接触(66.7%),很少有世界性(81.7%)。超过一半的受访者(65%)的屋顶面积较小(≤1000平方英尺),适合园艺。屋顶园丁从花园中获得的经济效益非常低,相比之下,他们承担了大量的支出。大多数受访者将屋顶花园作为爱好(98.33%)和美学(90%)。同样,51.67%的受访者认为这是生态平衡的一个方面。研究区屋顶花园以蔬菜(16.57%)和花卉(12.53%)为主。主要的跨文化活动包括灌溉、除草、培训/修剪和防治病虫害。常见的害虫有蚂蚁、粉蚧和叶蝉,病害有枯死病、病毒病、卷叶病和枯叶病。研究区常用肥料为牛粪、堆肥、尿素、MoP和芝麻饼。过热(91.67%)、缺乏适当营养(87.08%)和屋顶负荷(72.92%)是最严重的问题。在所选的9个特征中,只有年龄与问题对抗呈显著正相关。此外,绿化屋面对天气参数的影响大于空屋面。因此,总体结果表明,屋顶园艺在城市地区的环境修复方面做出了巨大贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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