When you've got difficulties remembering no matter whether P is for phosphorus or potassium, understand that the a few nutrients are listed in alphabetical order. Phosphorus arrives right before potassium alphabetically and so the last letter from the list, K, is brief for potassium. Sử dụng phân NPK đúng cách https://npk-vietnam57801.vblogetin.com/35190945/npk-15-15-15-vietnam-quality-an-overview