I have a lot of white clovers in my lawn, I'd like to know how to remove them? And when and how to maintain and improve my lawn, I'm new for the gardening. And I have a large area with wild weeds, how I can permanently remove them? Thanks!

Lot depends on where you live and the type of grass you have. In general,you use a broad leaf weed killer. Check with.your local agriculture department for suggestions.