Do you observes all fertilizer products has a three numbers that are prominently listed in a front part of package? These numbers have biggest rule for you to understand what does fertilizer products can do. List of Contents I. What does the numbers on the bag of fertilizer instance for? II. What are the individual function or contribution of NPK in plant growth ? These three numbers are represents to the three essential nutrients needed by the plant in order to promote growth and development from early age to fruiting stage. The NPK which mostly written also on the bag of fertilizer are the element symbols of Nitrogen, Phosphorus and Potassium. Its arrangement are always written to this form which the numbers are represented for. The first number are for Nitrogen; the second number are for Phosphorus; and the last number represent for Potassium. This would be seen like this (14-14-14 also known as complete fertilizer or all purpose fertilizer). Wha