Potassium

Tyler Aden



“ Potassium, It is so soft that it can be cut with a knife. Plants require it for growth. Therefore, soil must contain potassium compounds to produce crops of high quality and yield. Potassium chloride is widely used in commercial fertilizers for most crops. But potassium sulfate is a better fertilizer for tobacco and crops that would be harmed by chloride. Potassium also is essential for human beings and other animals. It plays a part in //metabolism,// the process by which organisms change food into energy and new tissue. Alkali metal.” “Potassium's earliest use was for .” Sir Humphry Davy was a famous scientist who was born in Penzance, England. He discovered potassium in 1807.

Potassium was discoverded in 1807 Penzance England by the scientist Sir Humphry Davy.

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