Answer: You prepare the soil for sod in the same way you would prepare it for seeding. You'll want to remove the weeds either by digging them out or by applying a vegetation killer such as Round Up. There's a waiting period after applying the herbicide so be sure to follow label cautions. Once the waiting period is over, begin by breaking up the soil with a tiller. Tillers (also called rototillers) can be rented from your local rental center. Spread a starter fertilizer over the now-loosened soil. This type of fertilizer is high in phosphorus, the middle number in the NPK sequence on a fertilizer bag. Also spread a soil conditioner over the soil. "Soil conditioner" is often what it's called at the store, but if you have a good supply of compost at home, it will serve just as well as a soil amendment. Again using the tiller, till the starter fertilizer and soil conditioner (or equivalent) into the soil. I know this seems like a lot of work, but good soil preparation is one key in seeding lawns successfully. Now rake the soil to begin to level it out, removing any rocks and debris that you find. To avoid problems with excess water-runoff, make sure that any site grading you do allows water to flow away from your house. This step requires a roller. Rollers, like tillers, can be rented from your local rental center. Fill the roller's drum with water, then use the roller to finish leveling the soil. Water the soil lightly they lay your sod. Good luck with your new lawn!
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