TABLE 5. MEAN TURFGRASS QUALITY RATINGS OF ST. AUGUSTINEGRASS CULTIVARS IN THE 2002 NATIONAL ST. AUGUSTINEGRASS TEST AT CALHOUN, LA 1/ 2006 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME MAY JUN JUL AUG SEP MEAN DELMAR 6.7 7.7 6.7 6.0 6.3 6.7 FLORATAM 7.0 7.7 6.3 6.0 6.3 6.7 RALEIGH 6.7 7.7 7.0 6.3 6.0 6.7 MSA 2-3-98 6.7 7.0 6.7 6.0 6.7 6.6 MERCEDES 6.3 7.0 7.0 6.0 6.3 6.5 MSA 31 6.0 6.7 7.0 6.3 6.7 6.5 LSD VALUE 1.5 1.7 1.4 0.8 1.2 0.8 C.V. (%) 9.5 9.9 8.4 5.7 7.9 5.0 1/ TO DETERMINE STATISTICAL DIFFERENCES AMONG ENTRIES, SUBTRACT ONE ENTRY'S MEAN FROM ANOTHER ENTRY'S MEAN. STATISTICAL DIFFERENCES OCCUR WHEN THIS VALUE IS LARGER THAN THE CORRESPONDING LSD VALUE (LSD 0.05). 2/ C.V. (COEFFICIENT OF VARIATION) INDICATES THE PERCENT VARIATION OF THE MEAN IN EACH COLUMN. TABLE A. 2006 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2002 NATIONAL ST. AUGUSTINEGRASS TEST SOIL SOIL SUN MOWING SOIL SOIL PHOSPHOROUS POTASSIUM NITROGEN OR HEIGHT IRRIGATION LOCATION TEXTURE PH (LBS/ACRE) (LBS/ACRE) (LBS/1000 SQ FT) SHADE (IN) PRACTICED LA2 - - - - 2.1-3.0 FULL SUN 2.6-3.0 TO PREVENT STRESS