Microbial consortium for enhanced nitrogen use efficiency in maize intercropping systems
A novel microbial consortium derived from maize intercropping rhizospheres, designed to improve nitrogen use efficiency and yield without per-plant penalties. Applied via seed coating and foliar spray, the consortium addresses nutrient competition challenges in intercropping systems while supporting soil fertility and crop productivity.
Overview
This solution introduces a targeted microbial consortium developed from rhizosphere microbiomes of maize-based intercropping systems. Intercropping offers productivity and risk-reduction advantages, yet nutrient competition between crops often leads to reduced per-plant yields. By harnessing beneficial plant-microbe relationships identified through software-based strain analysis, the consortium is formulated to enhance nutrient uptake, nitrogen fixation, and pathogen defense. The approach supports sustainable intensification by improving soil fertility and crop productivity simultaneously, offering a practical pathway to close yield gaps in intercropping without yield trade-offs.
Technical specifications
Key features:
- Microbial strains isolated and selected from maize intercropping rhizosphere soils using computational strain-identification analysis
- Consortium formulation compatible with seed coating application to support germination and root-zone nutrient availability
- Foliar-applicable subset designed for direct nutrient delivery to crop tissues
- Designed to function under multiple nutrient regimes suitable for United States agricultural conditions
- Targets improved nitrogen use efficiency, enhanced nutrient uptake, and natural pathogen defense
Applications:
- Maize intercropping systems across varied nutrient management regimes
- Seed treatment and foliar nutrition programs for cereal-based intercropping
- Soil fertility improvement in diversified cropping systems
Technology readiness level
The consortium is currently being validated in multiple maize intercropping systems under different nutrient regimes. Researchers are assessing nutrient dynamics and final yield outcomes, with the study estimated to complete within 18 months. The team is actively seeking collaboration partners for multi-location field trials and product registration support, indicating the technology is at an advanced validation stage moving toward commercialization readiness.
About Vellore Institute of Technology
Vellore Institute of Technology (VIT) is a private, multi‑campus deemed university headquartered in Vellore, Tamil Nadu, with a large student body and a strong applied research culture. Industry access is enabled through a Sponsored Research and Industrial Consultancy office that structures collaborations, a Central Research Facility with shared instrumentation, and a centralized Career Development Centre for internships and recruitment. Entrepreneurship is supported by the VIT Technology Business Incubator and an IPR & Technology Transfer Cell that manages disclosures, IP filing, licensing, and technology marketing. Research is backed by competitive funding from Indian national science and technology agencies; incubator programs receive support from DST, BIRAC, and MeitY.
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