2018  Site 4 Summary Information
ӯ Mode Median s ss2 Min. Max. Range n s/√n
Chemical Tests
Salts Ca(ppm) 1750 1400 1400 633.17 400904.3 1400 2800 1400 12 182.78
K (ppm) 31.25 0 12.5 35.43 1255.28 0 80 80 12 10.23
Cl (ppm) 75 50,100 75 26.11 681.73 50 100 50 12 7.54
Fe (ppm) 17.08 18.75 18.75 8.63 74.48 1.25 25 23.75 12 2.49
Al (ppm) 6.17 5 5 1.9 3.61 5 10 5 12 0.55
Mg (ppm) 10 10 10 5.22 27.25 5 25 20 12 1.51
Mn (ppm) 4.25 0 0 7.98 63.68 0 25 25 12 2.3
Inorganic
 Nutrients
P (ppm) 60.42 75 62.5 21.87 478.3 25 100 75 12 6.31
Nitrite (ppm) 0.17 0 0 0.39 0.15 0 1 1 12 0.11
Nitrate (ppm) 16.92 15 15 11.1 123.21 8 50 42 12 3.2
Ammonia (ppm) 1.08 0 0.5 1.56 2.43 0 5 5 12 0.45
Sulfur (ppm) 66.67 50 50 24.62 606.14 50 100 50 12 7.12
soil pH 6.98 7 7 0.23 0.05 6.5 7.3 0.8 12 0.07
Soil Texture
% Sand 17.52 0 20.4 16.22 263.09 0 54.1 54.1 12 4.68
% Silt 78.98 75 76.05 17.45 304.5 39.5 99 59.5 12 5.04
% Clay 3.48 2 3.8 1.63 2.66 1 6.25 5.25 12 0.47
Microbes 
Heterotrophic
Bacteria

(#/cc soil)
4.60E+06 10,000,000;
 9,000,000
4.00E+06 4.50E+06 2.03E+13 5.00E+04 1.00E+07 9.95E+06 12 1300134
Fungi Yeast (#/cc soil) 8.88E+03 30000 3.50E+03 1.13E+04 1.27E+08 4.00E+02 3.00E+04 3.10E+03 12 3248.8
Molds (#/cc soil) 1416.67 300, 4000 9.50E+02 1.29E+03 1.67E+06 3.00E+02 4.00E+03 3.70E+03 12 372.92
Combined (#/cc soil) 1.03E+04 all 4.10E+03 1.15E+04 1.32E+08 1.00E+03 3.20E+04 3.10E+04 12 3317.02
Algae (# / mm2) 4.52 1.27 3.9 2.67 7.13 1.27 8.38 7.11 12 0.77
Protozoa (#/g soil) 9,368,711 all 522,351 1,033,708 1.07E+12 51,896 3,134,152 3,082,256 12 298,406
Invertibrates
Earthworms (#/ m2 soil) 158 all 156 41.9 1755.61 120 200 80 4 12.1
Arthropods (#/m²) Araneida  14 12 12 4 16 12 20 8 4 1.15
Chilopoda  8 all 8 7.3 53.29 0 16 16 4 2.11
Coleoptera  6 all 6 5.16 26.63 0 12 12 4 1.49
Hymenoptera 68 all 26 102.08 1.04E+04 0 220 220 4 29.47
Isopoda  5 8 6 8.83 77.97 0 8 8 4 2.55
Lepidoptera  1 0 0 2 4 0 4 4 4 0.6
Diptera 1 0 0 2 4 0 4 4 4 0.58
Plants % of total population
Common Day Lilly 18.38
Orange Jewel Weed 18.12 x
English Ivy 16.69 x
Virginia Waterleaf 12.78
Wineberry 11.73
Grill-over-the-ground 6.52
Enchanters Nightshade 3.78
Goutweed 3.39 x
Horsebalm 3.13
Garlic Mustard 1.3 x
Smart Weed 0.91
Beefstake 0.65
Blackberry 0.65
Periwinkle 0.65 x
Umbrella Magnolia 0.52
Oriental Bittersweet 0.26 x
Black Snake Root 0.13
Jumpseed 0.13
Common Winter Cress 0.13
Maple Leaved Viburnum 0.13