New Biotech for Agriculture: Microbes May Replace Half of Synthetic Fertilizers
Photo: MIT Technology Review
Quick answer
Switch Bioworks is developing microbial fertilizers capable of replacing up to 50% of synthetic fertilizers in agriculture.
U.S. startup Switch Bioworks offers an alternative to traditional synthetic fertilizers by leveraging genetically engineered microbes. The technology relies on a 'genetic switch' that enables microorganisms to first colonize and grow in the soil before activating nitrogen production—a critical nutrient for plant growth.
Currently, the company is conducting field trials across six U.S. states. While results are not yet final, preliminary models suggest these microbes could replace up to 50% of synthetic fertilizers, significantly reducing environmental strain on agroecosystems and lowering farmers' costs.
Switch Bioworks' approach aligns with the growing demand for sustainable agriculture and reduced reliance on chemical fertilizers. If proven effective, this innovation could mark a pivotal step toward greener agrotech solutions.
Common questions
- How do Switch Bioworks' genetically modified microbes work?
- The technology uses a genetic switch to activate nitrogen production only after microbes colonize and grow in the soil, ensuring efficient nutrient delivery.
- What are the results of field trials so far?
- Tests in six U.S. states are ongoing, with preliminary models predicting a potential 50% reduction in synthetic fertilizer use, though exact data remains unpublished.
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