Expand the Use of Soil Moisture Sensors to Minimize Irrigation

This initiative proposes to expand soil moisture sensing within the University of Arizona’s irrigation systems to optimize water use and enhance soil water retention. By monitoring soil moisture levels and scheduling irrigation only when necessary, the university can reduce excess water use, support plant resilience, and increase biodiversity. Integration with existing irrigation systems and ongoing staff training will ensure the efficient use of water resources. Actionable items include:

• Assess factors such as plant types, soil composition, and sun exposure to tailor the moisture monitoring system effectively.
• Choose appropriate soil moisture sensors and strategically place them throughout the landscape for representative readings.
• Connect soil moisture sensors to the existing irrigation control system to automate watering based on real-time data.
• Develop and automate irrigation schedules that respond to soil moisture levels, minimizing water waste.
• Train Grounds Management staff to understand, operate, and maintain the new moisture monitoring system and report any issues promptly.