In an earlier preliminary test bluegrass sod was laid over gly-treated grass, tilled up soil and untreated grass. Shady irrigated site. Sod did fairly well, but eventually weakened and today looks weak--probably due to the shade. Tacked down now after about 8 weeks.
However when this was repeated in August on a sunny non-irrigated site covered with heavy crabgrass...it wilted and then turned brown in the heat. I started to water it 2 minutes per day. It looks somewhat better.
The goal is to find what is the most feasable method to restore a poor quality lawn? Without spending a fortune. Clearly letting it dry out--is not the way to go.
Will gly followed by sod without prep work OK?
Will short cut followed by sod work OK?
Can it be reseeded in fall?