A new algae system could revolutionize farming practices in Arizona, helping farmers achieve better crop yields with significantly less water. This approach - developed through a collaboration between Arizona State University and Phoenix-based soil health company MyLand - offers a vital solution for regions facing water scarcity. The aim is to create "more crop per drop," a key objective for agricultural sustainability.
At the heart of this innovation is the use of live, native microalgae. These microscopic organisms work to enhance soil health, which in turn leads to greater water efficiency, increased crop yields, and a reduced environmental impact. Farmers adopting this method have reported substantial reductions in water use, building on previous conservation efforts, such as drip irrigation.
Experts note that this technology represents both a "carbon story and a water story," as atmospheric carbon is converted into food using water as a medium. Initial goals for water savings range from 7% to 15%, highlighting the significant gains in water efficiency that healthier soil can provide.
The process involves producing live, native microalgae directly on farms in specialized vessels. Then algae are injected directly into existing irrigation systems, making the integration straightforward for farmers.
This advanced algae system represents a significant step forward for sustainable agriculture because it enables farmers to achieve robust crop production even in the face of reduced water availability.