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Market note · 19 October 2026

Mosaic cuts 199 jobs as sulfur shortage idles Florida phosphate site

Mosaic is laying off 199 employees at its South Fort Meade site in Polk County, Florida, with cuts starting 8 December. The company cited a persistent shortage of sulfur, a key input for phosphoric acid and phosphate fertiliser production, as the reason for idling the facility for an extended period expected to exceed six months.

Sulfur is a critical feedstock for converting phosphate rock into finished fertiliser products such as DAP and MAP. A prolonged shortage affecting one of Mosaic's production sites points to tighter raw material availability across the phosphate supply chain, which could pressure output and costs industry-wide if the constraint persists.

For phosphate buyers and traders, an extended idling at a major US producer reduces near-term domestic supply and may support firmer prices or tighter availability in North American phosphate markets. Counterparties should watch for knock-on effects on Mosaic's shipment schedules and whether other producers face similar sulfur constraints.

What it meansA sulfur-driven shutdown at a major US phosphate plant signals tightening feedstock supply that could support firmer phosphate prices and disrupt shipment schedules for buyers reliant on Mosaic.

Related on gidex.com: DAP supply · the fertiliser desk · buying through the desk

Original note by GIDEX Group based on reporting by Fertilizer Daily. Written up by the GIDEX market desk — see how these notes are made. Not investment advice.

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