Cheryl Wilen, IPM Specialist in Weed management provides tips on using weed block fabric to effectively manage annual weeds as well as how to manage small infestations of nutsedge can be viewed on a U-Tube Video.  Each video is about 2 minutes.  To view go to: 

http://www.youtube.com/Ucanr#p/a/u/0/Cv2QO7fus20

http://www.youtube.com/Ucanr#p/a/u/1/3I4BR5Q8mT0