Keep the newly leveled area moist, especially the seams and most especially during hot weather. Water the lawn normally after the sod becomes re-established. The dip will flatten out as the grass grows through the layer of soil. In cold climates where winter freezing makes your lawn uneven, use a water-filled roller in the spring to even out affected areas. For optimal results, avoid fixing uneven areas in hot weather.
Extra water helps sod grow.
Don't fertilize until you see new growth. Inc. How things get done. Use of this Web site constitutes acceptance of the eHow Terms of Use and Privacy .