To level bumps in your lawns, dig enough soil until you get the same level with the surrounding area.
How to level backyard soil. Use these 8 steps for how to level a yard to ensure great results. I use metal stakes but wooden stakes will work just fine. Use leveling sand to fix uneven.
After rototilling, build the leveler by using 3. Dig up the grass in the sunken area of the lawn. This area does not need to be perfectly square or rectangular unless you are planning on using sod instead of simply replanting your grass.
The string will serve as a guide for how you want the backyard levelled. Remove the grass from on top of them. Prepare the soil mix step 4:
A shovel, a rake, a 12 or 16 foot 2x4, some stakes and a cart for hauling the topsoil. Put the turf back after leveling. Dethatch your lawn [as needed].
Dethatch your lawn [as needed] step 3: Dethatch your lawn [as needed]. For you to fill a hollow, you need a garden.
Tear up the old turf step 4: Mow the lawn step 2: Opt for two parts pure sand, two parts of topsoil, and one part of compost.