Fertilizer prices have gone down with the reopening of the Strait of Hormuz and the prospect of a U.S.-Iran peace deal. But struggling American farmers won't likely see any relief for months.

Farmers worldwide are cutting back on fertilizer use or shifting to less fertilizer-intensive crops

Fertilizer prices have gone down with the reopening of the Strait of Hormuz and the prospect of a U.S.-Iran peace deal. But struggling American farmers won't likely see any relief…