COQUILLO FACTS   The Ojos Negros Research Group 1.  GENERAL 2.  YELLOW NUTSEDGE 3.  PURPLE NUTSEDGE 4.  COMPARISON 5.  SUSTAINABLE CONTROL STRATEGIES 6.  STRATEGIES FOR THE OJOS NEGROS VALLEY 7.  SUMMARY PORTAL http://ponce.sdsu.edu/three_issues_coquillofacts0.html 021104