They make chemicals for that, and I think I heard somewhere that clover is a legume which puts nitrogen back in the soil. Could be wrong though. I have what the father in law calls June grass, it’s a really fine blade natural grass that grows in my bush. With the help of a broadleaf herbicide it has taken over my yard. Very hardy doesn’t freeze out. Gets brown when dry turns green when wet easy to mow. Just don’t fertilize it. I know herbicide is a chemical and not good for environment but so is fertilizer. Reason Lake Winnipeg shows up green on google earth in summer, Algae growth from farmers field run off. My opinions