Role of Hydroponics in Improving Water-Use Efficiency and Food Security
Ram Naresh, Sagar K Jadav, Monika Singh, Abhimanyu Patel, Barinderjit Singh, Shreedhar Beese, Shivam Kumar Pandey
International Journal of Environment and Climate Change · pp. 608–633 · Published 17 Feb 2024
10.9734/ijecc/2024/v14i23976Abstract
Hydroponic agriculture offers a soilless cultivation method that can enhance crop yields and sustainability. With decreasing arable land and water availability, hydroponics is positioned to complement conventional farming approaches to support global food security. This paper reviews the current status and future innovations in precision hydroponic technologies. Leading application crops, geographic adoption patterns, growth potential in developing countries, and technological advances are analyzed. Key challenges limiting widespread implementation are discussed, including infrastructural costs, lack of expertise, and inadequate research investments. Proposed legislation and standardization efforts in major markets are outlined. Ongoing improvements in automation, renewable energy integration, biocontrols and tailored crop varieties can further overcome limitations. The paper offers recommendations to promote hydroponics through targeted research initiatives, public incentives and localized equipment development. With appropriate regulatory support and sustained funding commitment, hydroponic systems can bolster food ecosystem resilience. The COVID-19 crisis has highlighted the interlinked risks in concentrated, centralized agriculture. More decentralized precision approaches can enhance stability. Hydroponics and vertical farming innovations can enable sustainable intensification to meet future nutritional demands. Adoption efforts to date have focused on profitable vegetable and herb markets in advanced economies, but expanding technical skills training and appropriate technologies globally would support wider implementation. With further commercial maturation and policy regulations keeping pace with innovations, hydroponics can be an integral strategy for sustainable crop production worldwide.
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