Answer: I would suggest you work with your local county extension to develop a lawn care plan. Sometimes a lawn can be renovated, other times it is better to start all over from scratch. This depends in how severe the weed to grass ratio is and what kind of weeds they are, and how much soil improvement is optimally needed to support a healthy lawn. In general, it is really important to provide good soil conditions at the start, it helps avoid problems later on. The following information should give you a good start. You may need to cut and paste the complete url into your browser to make it work correctly.
I hope this helps!
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