Does it look like nutsedge?

http://tinyurl.com/9jl4d



Congrats Steveo. That's the stuff. Selective killers don't kill it and
Roundup barely kills it and destroys the rest of the lawn. It's fairly easy
to pull and I've pulled 326 with just 3,442,993 to go.

Any way to keep this from coming back next year ?