Sustainable agriculture depends on efficient water use, and a smart irrigation system using IoT plays a key role in achieving this goal. By using real-time data, IoT-based irrigation optimizes water distribution and reduces waste. Automated scheduling ensures that crops receive adequate hydration without excess. This system supports eco-friendly farming by conserving groundwater and reducing energy consumption. IoT-powered irrigation systems are crucial for adapting to climate change challenges. By integrating smart irrigation, farmers can boost productivity while maintaining sustainability.