Deciphering the numbers on a bag of lawn fertilizer often mayseem to be a daunting task. As you walk down the lawn care aisle ofyour local home improvement store, you’ll notice that each type offertilizer is labeled with a unique 3 number code. Examples oflabels that you will find on bags of lawn fertilizer include18-6-12, 10-10-10 and 18-46-40. By law, these 3 numbers arerequired to be posted on every bag of fertilizer sold in the UnitedStates. With so many options on the market you may feel like youneed a degree in botany to determine which fertilizer is right foryour lawn, but it’s actually pretty simple once you know what thesethree numbers mean.1. Know What Each Number Represents. The first number alwaysrepresents nitrogen (N). The second number always representsphosphorus (P). The th