Urban Horticulture: Overview of Recent Developments

The growing populations in urban areas and the decrease in available land are major constraints to sustainable crop production in and around cities. All over the world, many people do not get enough food and proper nourishment. Urban horticulture which is the production of vegetables, herbs, medicinal and ornamental plants around cities may serve as a solution. Worldwide, temperatures vary in different seasons and urban growers face challenges in sustaining production due to poor yield and crop losses. Therefore, urban horticultural growers may need to employ new techniques and tools to improve their practices. However, many of these recent developments require capital, access to specific information, knowledge, and resources to improve their skills on production, processing, and marketing of their produce. This paper reviews the recent developments in urbanization and urban horticulture, the types of urban horticulture as well as tools and techniques in urban horticulture. The focus of this paper is on recent developments in vertical farming systems (hydroponics, aeroponics, and aquaponics) including organic vertical farming research. Also listed in this study are solutions that urban horticulture provides such as provision of food security and, poverty alleviation. Some of the concerns, challenges, and benefits in urban vertical farming systems would also be explored.



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