Answer: A tsunami is a giant wave (or series of waves) created by an undersea earthquake, volcanic eruption or landslide. Tsunamis are often called tidal waves, but this is not an accurate description because tides have little effect on giant tsunami waves.nswer: A tsunami is a giant wave (or series of waves) created by an undersea earthquake, volcanic eruption or landslide. Tsunamis are often called tidal waves, but this is not an accurate description because tides have little effect on giant tsunami waves.
Roundup is not persistent in the soil. You can lay your sod one week after spraying the weeds. The herbicide will get into the growth of any plant it touches, not anything the chemical does not touch. I don't know of a pre-m herbicide that controls germination of any weeds likely to grow this time of year. Pre-m only prevents weed seeds from germinating.
Overview. Killing your old grass with Roundup can be an effective way to prepare your planting area for a new lawn. After using Roundup, you can skip tilling your lawn and seed directly into the old grass.Your new seed can use the old grass as mulch to prevent the seeds from washing away in rain.Also, by not tilling your planting area, you won't be bringing any weed seeds to the surface.fter using Roundup, you can skip tilling your lawn and seed directly into the old grass. Your new seed can use the old grass as mulch to prevent the seeds from washing away in rain.