Telone/Pic/Vapam<BR>Spring applications = 17 of 18 experiments over 5 years with greater than 93% nutsedge control (less effective in the fall)<BR>Vapam = 4 inches <BR>Chloropicrin = 8 inches <BR>Telone  = 12 inches<BR>Ideal Placement<BR>Vapam = 4 inches <BR>Pic Chlor 60 = 8 inch<BR>More Common<BR>