Why pay for a lawn service when you can do it yourself, get outstanding results, and spend less? GreenView Fairway Formula Spring Fertilizer Weed & Feed and Crabgrass Preventer: Pro-grade quality. Professional DIY results. Unique formulation combines 3 lawn treatments into 1 spring application that Prevents crabgrass all season Kills dandelion and crabgrass seedlings at the same time, along with 200 other tough lawn weeds. 65% slow-release nitrogen feeds lawn evenly for 12 weeks. Slow-release means more of the nitrogen is used by the lawn, so there's less chance of it getting washed away. When you minimize the risk for leaching, you help preserve our waterways. That's great for your lawn and good for the environment too.