Potash accounts for 90% of all the potassium applied to farmland soil in the U.S. in the form of Muriate of Potash (MOP). Potash ore is mined from a half mile beneath the Earth’s surface with ...

“We live by the sword,” she said. “And we die by the sword.” Red potash is stored in a warehouse at Nutrien’s Cory Potash mine. More than 80 per cent of the potash used by U.S. farmers ...