[Comment:  A weed or two is no  big deal.  With regular maintenance, they are easy and cost effective to  pull out by hand  Weeds are nothing to be afraid of.  Herbicides are  way more dangerous.]
 Exclusive Golf Course Is Organic, So Weeds Get  In
http://www.nytimes.com/2010/08/17/sports/golf/17vineyard.html?_r=1
 http://www.nytimes.com/2010/08/17/sports/golf/17vineyard.html?_r=1
"Standing alongside the 13th green at the Vineyard  Golf Club on Martha's Vineyard, Jeff Carlson spotted a small broadleaf weed  between his feet. As the superintendent charged with maintaining the club  grounds, he instinctively bent to pluck it, then  stopped."