Stress-tolerant PGPR for enhanced nitrogen use efficiency in agriculture
Introducing a natural solution using salt- and drought-tolerant PGPR to improve nitrogen use efficiency in crops like corn, soybean, and cotton. This microbial inoculant enhances nitrogen fixation and nutrient uptake, reducing the need for synthetic nitrogen fertilizers.
Overview
Auburn University presents an innovative solution leveraging stress-tolerant plant growth-promoting rhizobacteria (PGPR) to enhance nitrogen use efficiency in agriculture. This microbial inoculant is designed to improve biological nitrogen fixation and nutrient uptake, helping crops like corn, soybean, and cotton maintain yield with reduced synthetic nitrogen inputs. The approach aligns with sustainable agricultural practices by minimizing nitrogen losses and environmental impact.
Technical specifications
Key features:
- Utilizes salt- and drought-tolerant PGPR with nitrogenase activity
- Strong root colonization enhances nutrient uptake
- Demonstrated increased biomass in greenhouse studies for corn, soybean, and cotton
- Natural and biodegradable solution offering a sustainable alternative to chemical fertilizers
Applications:
- Suitable for use in various crop systems, particularly under stress conditions
- Promotes sustainable agriculture by reducing reliance on synthetic nitrogen fertilizers
Technology readiness level
The technology is currently at TRL 4, having shown promising results in controlled greenhouse experiments. Upcoming phases include optimizing inoculation rates, field trials to validate nitrogen-use efficiency, and refining delivery methods for scalability. Partner support is sought for technical guidance and regulatory advice to advance towards commercial readiness.
About Auburn University
Auburn University is a comprehensive public land‑grant research university serving industry from its main campus in Auburn, Alabama. Companies engage through a research and technology park offering on‑site convening space and services, and via a Huntsville Research and Innovation Campus embedded in Cummings Research Park near Redstone Arsenal. A long‑standing cooperative education program and a statewide extension network link employers to student talent and field deployment across Alabama. Research is supported by competitive federal funding from agencies such as NSF, USDA, DoD, and NASA. The university’s Intellectual Property Exchange provides IP management, licensing, and commercialization support.
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