enough to kill them. Secondly, consider how much work we are talking
about
here. Are the weeds you're gettign difficult to remove? If yes, then
avoid

Nope its just the usually dandylion stuff, and a wierd weed that has a white
flower, has small "branches" that become pods and disintegrate, spraying the
seeds everywhere, when you pluck them from the ground when the pods are
ripe.