WEST LAFAYETTE, Ind. - With fertilizer prices the highest they've ever been, the most important thing row crop growers can do is take a soil sample and have it analyzed, said Purdue University ...

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 ...

Hyperkalemia occurs when you have high potassium levels in your blood. Potassium is an important nutrient in your body that helps your muscles and nerves work properly. But too much of it can lead to ...

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 is a key nutrient that you can get from eating foods that have it, such as bananas, oranges, and broccoli. This nutrient is also called an "electrolyte" -- a mineral that helps your muscles ...

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 ...