Table 1. Landuse and landcover for MLRA 137, Carolina and Georgia Sand Hills (from USDA Agriculture Handbook 296, 1981).
Description
Acres
Hectares
Percent Cover
1. Cropland 346,681 140,300 6.24
2. Forest 1,968,399 796,600 35.44
3. Range 494 200 0.01
4. Water and Marsh 1730 700 0.03
5. Pasture and Cropland 245,617 99,400 4.42
6. Forest and Cropland 1,043,009 422,100 18.78
8. Forest and Range 47,937 19,400 0.86
9. Forest and Marsh 21,015 8500 0.38
10. Range and Cropland 20,015 8100 0.36
11. Forest, Cropland, and Range 1,859,922 752,700 33.48
TOTAL 5,554,808 2,248,000 100

Table 2. Areas of Soil Components in MLRA 137 (from NIRCS-USDA).
Component  
Area
Percent 
Name Class
acres
 hectares
of MLRA
Lakeland Typic quartzipsamments, thermic, coated 526,269 213,139 9.49
Vaucluse Typic kanhapludults, fine-loamy, siliceous, thermic 383,887 155,474 6.92
Blaney Arenic hapludults, loamy, siliceous, thermic 315,395 127,735 5.68
Candor Arenic paleudults, sandy, siliceous, thermic 296,075 119,910 5.34
Fuquay Arenic plinthic kandiudults, loamy, siliceous, thermic 291,021 117,864 5.25
Troup Grossarenic kandiudults, loamy, siliceous, thermic 266,965 108,121 4.81
Alpin Typic quartzipsamments, thermic,coated 165,592 67,065 2.98
Tallapoosa Ochreptic hapludults, loamy, micaceous, thermic, shallow 164,592 66,660 2.97
Wagram Arenic kandiudults, loamy, siliceous, thermic 163,187 64,091 2.94
Cecil Typic kanhapludults, clayey, kaolinitic, thermic 159,668 64,666 2.88
Gilead Aquic hapludults, clayey, kaolinitic thermic 159,477 64,588 2.87
Ailey Arenic kanhapludults, loamy, siliceous, thermic 153,193 62,043 2.76
Dothan Plinthic kandiudults, fine-loamy, siliceous, thermic 140,491 56,899 2.53
Meggett Typic albaqualfs, fine, mixed, thermic 122,815 49,740 2.21
Johnston Cumulic humaquepts, coarse-loamy, siliceous, acid, thermic 118,036 47,805 2.13
Ashlar Typic dystrochrepts, coarse-loamy, mixed, thermic 112,555 45,585 2.03
Norfork Typic kandiudults, fine-loamy, siliceous, thermic 108,783 44,057 1.96
Wodowee Typic kanhapludults, clayey, kaolinitic, thermic 105,238 42,621 1.90
Orangeburg Typic kandiudults, fine-loamy, siliceous, thermic 105,054 42,547 1.89
Gwinnett Rhodic kanhapludults, clayey, kaolinitic, thermic 101,164 40,971 1.82
Blanton Grossarenic paleudults, loamy, siliceous, thermic 99,448 40,276 1.79
Pelion Aquic kanhapludults, fine-loamy, siliceous, thermic 90,829 36,786 1.64
Appling Typic kanhapludults, clayey, kaolinitic, thermic 79,608 32,241 1.43
Tatum Typic hapludults, clayey, mixed, thermic 76,777 31,095 1.38
Chewacla Fluvaquentic dystrochrepts, fine-loamy, mixed, thermic 62,302 25,232 1.12

 

Table 3. Selected soil physical properties of Blanton soil profile JS-77-1 in Moore County, (unpublished data, D.K. Cassel).
         Saturated  In situ    
  Soil Bulk Particle size  Hydraulic Field   Water Content at
Horizon Depth Density Sand Silt Clay Conductivity Capacity -1500 kPa AWHC1
  cm g cm-3 ------ % by wt. ------ cm h-1 ------------ cm3 cm-3 ------------
                   
Ap 0-15 1.6 91 6 2 19 0.105 0.026 0.079
E1 15-28 1.63 92 5 3 12 0.114 0.033 0.081
E2 28-45 1.64 86 6 7 19 0.133 0.056 0.077
E3 45-61 1.55 87 5 7 32 0.124 0.047 0.077
E4 61-97 1.55 90 5 5 42 0.105 0.031 0.074
E5 97-132 1.53 93 3 5 48 0.093 0.024 0.069
E6 132-152 1.49 94 2 3 45 0.089 0.012 0.077
1Available water holding capacity.

 

Table 4. Selected soil physical properties of two Gilead soil profiles (unpublished data, D. K. Cassel).
           Saturated      
  Soil Bulk Particle Size  Hydraulic  Water Content
Horizon Depth Density Sand Silt Clay Conductivity -33kPa -1500 kPa AWHC1
  cm Mg m-3 -------- % by wt. --------  cm h-1  -----------m3 m-3-----------
Profile JS-77-Gil, Moore Co., NC
Ap 0-15 1.42 80 12 8 9.2 0.153 0.065 0.088
Bt1 15-30 1.52 57 8 35 2.2 0.321 0.226 0.095
Bt2 30-45 1.63 58 7 35 0.65 0.328 0.228 0.1
Bt3 46-61 1.71 66 8 25 0.64 0.301 0.198 0.103
BC 61-91 1.69 71 6 23 1.8 0.284 0.169 0.115
C 91-122 1.74 73 6 21 2 0.313 0.179 0.134
Profile LIL-79-4, Harnett Co., NC
Ap 0-23 1.53 79 18 4 0.68 0.177 0.049 0.128
E 23-36 1.67 72 20 7 0.76 0.184 0.058 0.126
Bt1 36-61 1.57 44 18 38 0.32 0.427 0.272 0.155
Bt2 61-97 1.59 48 16 35 0.07 0.404 0.281 0.123
BC 97-122 1.82 76 6 18 0.3 0.238 0.149 0.089
C1 122-137 1.71 80 2 16 1.7 0.173 0.127 0.046
C2 137-152 1.66 81 2 17 4.3 0.209 0.125 0.084
1Available water holding capacity.

 

Table 5. Soil texture, bulk density, saturated hydraulic conductivity, and horizon designation for soil layers in a Lakeland soil profile (plot 1, 1979, Hoffman, North Carolina) (adapted from Dane et al., 1983).
    Sand Fraction, mm      Bulk  
Horizon Depth 2-1 1-.5 .5-.25 .25-.125 .125-.05 Silt Clay Density Ksat
  cm ----------------------- % by wt --------------------------  g cm3 cm hr-1
Ap 0-15 2.1 25.0 41.5 20.7 3.7 4.0 3.0 1.52 60.3
C1 15-30 1.7 23.2 42.5 20.7 1.9 4.0 6.0 1.62 41.1
C2 30-45 2.4 24.7 39.8 20.3 1.8 3.0 8.0 1.58 37.2
C3 45-81 3.6 26.2 38.4 23.7 2.1 1.0 5.0 1.5 72.8
C4 81-102 1.9 32.3 42.6 17.2 1.0 1.0 4.0 1.45 154
C4 102-127 3.5 36.0 43.1 12.7 0.7 1.0 3.0 1.46 167
C5 127-152 3.4 36.3 44.8 10.9 0.6 1.0 3.0 1.44 167