For those who have difficulty remembering whether P is for phosphorus or potassium, keep in mind that the a few nutrients are listed in alphabetical order. Phosphorus will come in advance of potassium alphabetically and so the last letter while in the list, K, is short for potassium. By clicking https://simonztldt.ampedpages.com/npk-15-15-15-vietnam-quality-an-overview-56780224