A potassium blood test measures the potassium level in your blood to check your general health and diagnose conditions.

People with certain conditions may be more likely to develop high potassium levels (hyperkalemia). Although these high levels may only last for a short time, some people will have high levels that do ...

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 ...