Another good lawn care tip is to use fertilizer, which can strengthen the roots, combat weed growth, and provide more lush results. Slow-release fertilizers are a good option, since they are less likely to travel into the groundwater supply, and they won’t cause a growth surge. However, use caution when applying fertilizer and only use as much as is necessary, as over-fertilization can result in excessive pests and overgrowth, and can also pollute the surrounding sources of water. If you would rather avoid the risk, you can hire a lawn care professional who knows the exact dosage and proper application of fertilizer to produce results.