Most US retail fertilizer prices rose for a second week in a row in the third full week of September, according to DTN's survey of agricultural retailers. Six of the eight products tracked were higher than a month earlier and two were slightly lower. Only one move counted as significant, which DTN defines as 5% or more: anhydrous ammonia, up 6% to an average of $977 a ton.
Five products rose slightly: DAP averaged $926 a ton, MAP $970, potash $498, urea $675 and UAN32 $479. The liquid starter 10-34-0 slipped to $701 a ton and UAN28 to $423. Per pound of nitrogen, urea worked out at $0.73, anhydrous at $0.60, UAN28 at $0.76 and UAN32 at $0.74.
All eight fertilizers are now more expensive than a year ago. UAN28 and UAN32 are up 1%, potash 2%, DAP 3%, MAP and 10-34-0 both 5%, urea 9% and anhydrous 25%. A year earlier, in the week of 22 to 26 September 2025, anhydrous averaged $780 a ton; it peaked at $1,118 in early May 2026 before easing over the summer.
On the supply side, Canadian potash exporter Canpotex Ltd. is set to spend C$500 million to upgrade Neptune Bulk Terminals at the port of Vancouver, through which it ships most of its potash, according to a report in the Saskatoon StarPhoenix cited by DTN. Ship loaders, conveyors and a dumper pit used to load bulk cargo will be replaced. The work is due to finish in 2028, and the company says shipments will not be affected. Canpotex is the joint export marketing arm of Nutrien and Mosaic for markets outside Canada and the US.
DTN has compiled its fertilizer index from weekly retailer bids since November 2008. The report is by Russ Quinn of DTN.
Photo: Ammodramus / Wikimedia Commons (CC0)
Source: DTN / Progressive Farmer
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