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Silicon Fertilizer: A Game Changer for Crops & Climate?
20 Aug
Summary
- Mafix raises $5.4 million for silicon fertilizer production.
- Silicon fertilizer enhances crop health and captures CO2.
- Technology utilizes idle cement kiln capacity for efficiency.
Stanford University spin-out Mafix has successfully raised $5.4 million in pre-seed funding, led by Azolla Ventures. This investment will fuel the scaling of their novel silicon fertilizer production. The startup employs a unique mineral conversion process using cement kilns to accelerate silicate rock weathering, making silicon readily available for crops.
This silicon fertilizer offers dual benefits: improving soil and crop health while actively removing CO2 from the atmosphere by converting it into stable bicarbonate. The funding will enable Mafix to produce a minimum of 1,000 tons, facilitating larger field trials and moving beyond small plot testing.
Mafix aims to leverage approximately 30% of idle global cement kiln capacity. This strategic approach significantly reduces scale-up costs, positioning their silicon fertilizer as an affordable solution for farmers. The company is exploring various go-to-market strategies, including standalone pH-modulation or carbon products, or blends designed to boost traditional fertilizer efficiency.
