In the chemical age of agriculture that began in the 1960s, potassium chloride (KCl), the common salt often referred to as potash, is widely used as a major fertilizer in the Corn Belt without regard ...

You have probably seen "NPK" written on fertilizer bags. That "K" there stands for potassium. Potassium is not just a side nutrient. In fact, potassium is one of the three most important nutrients for ...

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 Canada ...