Impact of Imported Fire Ants on Mississippi Soils Table A1. Mean percent sand, silt, clay, organic matter (OM), and pH in three replicates of crust of imported fire ant mounds, mound interior, and control topsoils on three soil types. 1 % Sand2 % Silt2 % Clay2 % OM2 % pH2 Malbis    Crust 64.0a 28.1a 7.9b 1.16b 5.33a    Mound 64.0a 26.3a 9.7a 1.46a 5.51a    Control 65.7a 27.2a 7.1ab 1.20ab 5.66a Grenada    Crust 4.8a 79.8a 15.4b 3.18b 6.53a    Mound 4.8a 76.9a 18.3a 4.15ab 6.44a    Control 3.1a 78.6a 18.3ab 2.43a 6.45a Sharkey    Crust 5.1a 23.2a 71.7a 3.85a 6.04a    Mound 4.0a 22.8a 73.2a 3.11a 5.97a    Control 3.4a 22.8a 73.8a 2.85a 5.69a 1Malbis is found at Site B, Grenada at Site A, and Sharkey at Site C. 1Means with same letter in same column and soil not significantly different (a= 0.05). Table A2. Percent sand, silt, clay, and organic matter (OM), and pH of profiles from the mound structural study on three soil types.1 Soil/horizon Depth (in) % Sand % Silt % Clay % OM pH Malbis    Ap 0-2 79.2 19.0 1.8 3.64 5.81    AB 2-4 74.0 22.0 4.0 1.71 5.81    Bt1 4-8 59.4 26.9 13.7 0.59 5.63    Bt2 8-14 59.0 25.5 15.5 0.25 5.68    Btv1 14-26 69.9 20.0 10.1 0.09 5.71    Btv2 26-35 65.5 14.5 20.0 0.11 5.35    Btv3 35-43 67.3 9.6 23.1 0.04 5.17    Btv4 43-51 66.8 11.9 21.3 0.05 5.10 Grenada    Ap 0-4 3.8 81.0 15.2 3.13 6.83    Bt1 4-15 0.9 82.6 16.5 0.49 6.54    Btx1 15-23 0.8 85.3 13.9 0.17 6.94    Btx2 23-31 0.6 84.5 14.9 0.10 6.51    Btx3 31-42 1.0 85.1 13.9 0.11 6.61    Btx4 42-52 2.2 83.7 14.1 0.10 6.91 Sharkey    -- 0-2 4.1 25.2 70.7 3.45 5.93    -- 2-4 2.7 25.1 72.2 2.69 5.95    -- 4-6 2.4 22.1 75.5 2.30 5.88    -- 6-15 2.1 17.3 80.6 1.45 5.73    -- 15-22 2.5 22.9 74.6 0.96 5.91    -- 22-28 3.9 20.4 75.7 0.95 6.1    -- 28-32 5.8 22.8 71.4 0.92 6.36    -- 32-36 7.5 23.8 68.7 0.82 6.53    -- 36-40 9.2 25.2 65.6 0.60 7.03 1Malbis is found at Site B, Grenada at Site A, and Sharkey at Site C. For more information about Technical Bulletin 223 -- Impact of Imported Fire Ants on Mississippi Soils contact: Dr. David E. Pettry Phone: (662) 325-2770 Email: David E. Pettry To contact the Experiment Station: MAFES Director's Office Box 9740 Mississippi State, MS 39762 Phone: (662) 325-3005 Fax: (662) 325-3001 E-mail: MAFES Visit: Mississippi Agriculture and Forestry Experiment Station The Division of Agriculture, Forestry and Veterinary Medicine Mississippi State University Extension Service Mississippi State University Visit: DAFVM || USDA Search our Site || Need more information about this subject? Last Modified: Wednesday, 11-Feb-09 14:05:18 URL: http://msucares.com/pubs/techbulletins/tb223appendix.htm Mississippi State University is an equal opportunity institution. Recommendations on this web site do not endorse any commercial products or trade names.