When you've got difficulty remembering whether P is for phosphorus or potassium, do not forget that the a few nutrients are listed in alphabetical order. Phosphorus comes right before potassium alphabetically and so the last letter during the list, K, is brief for potassium. Sử dụng phân NPK đúng cách https://npk151568912.ttblogs.com/9219457/a-secret-weapon-for-npk-15-15-15-vietnam-chi-minh