Fill them with a mix of compost, sand, and topsoil.
How to even out backyard. Here are 10 things to do with a sloping backyard. After you have created the necessary slope for your backyard, it is worth taking care of the plants and lawn, here we will need the black soil that we removed before. Fill the plot with a good soil mix and lay new grass seed.
Dig up the area around the holes, making sure you dig at least 2 to 3 inches deep. Break up raised areas with a garden rake and level them out. Examine the amount of thatch at the lawn’s roots, then dethatch as needed.
Even if you think your grass needs more than that depth to even out, err on the side of caution and keep to a thin layer—a heavier layer. Dethatch your lawn [as needed] step 3: Determine the surface texture of your soil.
A combination of aerating and soil leveling is the best way to smooth out a bumpy lawn. Use these 8 steps for how to level a yard to ensure great results. Dethatch your lawn [as needed] step 3:
Run sprinklers to water your yard. You could need to accomplish more than 1 layer of the dirt blend to even out your yard totally. Leave for two days, then add grass seed and a light layer of topsoil.
What to do with a backyard that is on a slope? Mix sand, topsoil, and compost. Dig up the grass in the sunken area of the lawn.