Cost effective real-time ionic concentration sensors for soil and plant sap
Innovative portable sensors coupled with organic electrochemical transistors for real-time, long-term monitoring of ionic concentrations in soil and plant sap. Cost-effective and capable of tracking multiple ions simultaneously, enhancing agricultural efficiency.
Overview
This cutting-edge solution provides a cost-effective and portable system for real-time monitoring of ionic concentrations in both soil and plant sap. Utilizing miniaturized ion-selective membranes coupled with organic electrochemical transistors (OECT), this system continuously tracks key ions such as K+, Cl-, NO3-, NH4+, Ca2+, Mg2+, and pH levels. The solution is designed to enhance agricultural efficiency by enabling detailed tracking of nutrient uptake from soil to plant, ultimately improving yield, nutrition, and sustainability.
Technical specifications
Key features:
- Real-time, continuous monitoring of ionic concentrations
- Long-term deployment capability (at least 3 months)
- Capable of tracking multiple ions simultaneously in various environments
- Cost-efficient production with sensors priced at approximately $10 and loggers at $100
- High sensitivity sensors in the mM range, suitable for both soil and plant applications
- Data integration with machine learning for automated decision-making
Deployment:
- Adaptable for use in both fixed installations and portable devices
- Compatible with various soil types including sandy, clay, and organic soils
Technology readiness level
This technology is currently at TRL 4, having demonstrated proof-of-concept in controlled environments. Future plans include sensor optimization, field pilots, and scalability testing with the aim of reaching commercial launch within 24 months.
About The New Zealand Institute for Bioeconomy Science Limited
The New Zealand Institute for Bioeconomy Science Limited is a public research organization formed in 2025 through the merger of four Crown Research Institutes: AgResearch, Manaaki Whenua – Landcare Research, Plant & Food Research, and Scion. It operates as a Crown-owned entity focused on driving innovation and commercial outcomes across the bioeconomy. By integrating world-leading researchers, advanced infrastructure, and commercial expertise, the institute develops new technologies, processes, and products in sectors including agriculture, aquaculture, forestry, biotechnology, and manufacturing. Its operations are dedicated to advancing economic growth and resilience, protecting biodiversity, and fostering sustainable environmental outcomes for New Zealand.
This work is critical to providing actionable solutions for partners in industry, government, and local communities. The institute specializes in core areas such as climate resilience, advanced biomaterials and bioenergy, bioprotection and biosecurity, and the development of sustainable food and ingredient production systems. By translating complex scientific research into real-world applications, the organization helps producers optimize resource use and manage environmental volatility. It acts as a bridge between scientific discovery and commercial success, ensuring that research outputs translate into benefits for New Zealand's economy and its natural ecosystems.
Inquire about this partnering listing
Looking for
Industry applications
delivered to your inbox.