The 4-1-1 on garden fertilizers is as easy as N-P-K. Those three letters stand for nitrogen, phosphorus and potassium. (Potassium’s chemistry symbol K comes from the Latin word Kalium.) ...

Element 19 comes with two aliases: variations of 'potassium' are common in many languages and it is also known as kalium, from which its symbol K is derived. The previous paragraphs could lead one ...