Potassium (K) is a fascinating macronutrient. In corn, it sets the stage for a healthy and vigorous plant that produces a beautiful ear. Even though K is mobile in plants and helps deliver water and ...

A potassium blood test is used to measure the amount of potassium in your blood. It is part of a panel of blood tests called a basic metabolic panel (BMP) that measures different substances in your ...

Potassium plays a key role in keeping your heart beating steadily, your muscles moving smoothly, and your blood pressure in ...

Potassium is an important mineral and electrolyte needed for all kinds of bodily functions – not just for running a marathon or lifting weights (although electrolytes can be lost in sweat.) It’s ...

Very dry conditions, like those seen in most of Arkansas this fall, impact two aspects of soil sampling that make it hard to measure how much phosphorus and potassium are in a field. Arkansas ...