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Market note · 23 October 2026

Brazil fertiliser prices split in Q4: firm nitrogen, stable potash

StoneX's latest outlook for the Brazilian fertiliser market points to diverging trends across nutrients heading into the fourth quarter. Nitrogen prices are expected to remain firm, potash is seen holding stable, while phosphate values may soften somewhat once the soybean planting season winds down and seasonal demand eases.

The potential decline in phosphate prices is likely to be constrained by two supply-side factors: elevated sulphur costs, a key input for phosphate production, and continued export restrictions from China, one of the world's largest phosphate suppliers. These constraints are expected to put a floor under prices even as demand softens.

Brazil is the world's largest fertiliser importer, making shifts in its domestic price structure a relevant signal for global nitrogen, phosphate and potash flows. Divergent nutrient pricing could affect blending costs and procurement timing for buyers across the supply chain, particularly ahead of the next planting cycle.

What it meansBuyers sourcing phosphates for Brazil may see some near-term relief after planting season, but sulphur costs and Chinese export limits cap the downside — nitrogen and potash procurement costs should stay steady to firm.

Related on gidex.com: urea supply · DAP supply · MOP supply

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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