Answer: It sounds as though you are doing everything right. Although you killed the original weeds, they left some seeds and now you are dealing with a second batch. If you can keep them mowed down or if you can dig them up before they set seeds, you'll eventually get control and your bermuda will spread and become thick enough to help crowd out the next generation of weeds. The best way to encourage bermuda is to water deeply on a regular basis and mow it regularly. You can feed in the fall and again in the spring to encourage even more growth. So - keep at it and eventually you'll have the best looking lawn in the neighborhood.
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