CSIS reports urea prices up 77% since December 2025 1. One-third of all globally shipped fertiliser transits Hormuz. Brent crude sits at $105.53 2. US petrol is $4.02 per gallon. Diesel is $5.45.
The petrol figure broke the $4 barrier on 31 March for the first time since 2022. The fertiliser number has received less attention but carries longer consequences. Urea feeds through to food prices within 90 days. Northern hemisphere spring planting is under way. If GL-U lapses on 19 April and 128 million barrels lose their legal market, the second-order effects compound.
