Soilless Techniques and Innovative Solutions for Water-Efficient and Sustainable Agriculture

As global populations continue to rise, challenges such as increased food demand, climate change, water scarcity, insufficient fertile land, the spread of arid zones, and desertification are raised. These challenges have exerted unparalleled strain on conventional agricultural systems. Soilless culture techniques, including hydroponics, aeroponics, and aquaponics, have emerged as innovative and sustainable solutions to address these challenges. Soilless culture techniques transform modern agriculture by cultivating crops using nutrient-rich ions instead of soil. These methods offer a promising alternative to traditional agriculture by enabling efficient crop production in urban and non-arable areas, reducing reliance on synthetic fertilizers, and utilizing unconventional nutrient sources, thereby contributing to a biocircular economy. This chapter focuses on the potential of soilless cultivation to promote organic production, minimize pesticide use, and enhance resource efficiency, aligning with the Sustainable Development Goals (SDGs). Furthermore, it emphasizes the integration of advanced technologies such as artificial intelligence (AI) and the Internet of Things (IoT) for precise monitoring, decision-making, and optimization of resource use. The chapter also examines the economic viability, energy consumption, and cost-benefit analysis of these systems, emphasizing their role in transforming urban zones into eco-friendly and food-secure environments. By drawing attention to the multifaceted benefits of soilless culture techniques, this chapter aims to inspire broader adoption and investment in these technologies as a pathway toward a more sustainable and resilient agricultural future.