The answer to 'how to maintain lawn fertilization' is to apply a balanced lawn fertilizer 1-2 times per year, in early spring and late fall. This will help your lawn stay healthy and green throughout the growing season. Proper fertilization promotes deep root growth, prevents weed growth, and provides essential nutrients for your grass.
When applying fertilizer, be sure to follow the instructions on the product label carefully. Spread the fertilizer evenly across your lawn using a broadcast spreader, and water it in thoroughly after application. Avoid over-fertilizing, as this can damage your lawn. If you're unsure about the right fertilizer for your lawn, it's best to consult with a local landscaping professional.