Soil-Texture Classification | Soil Composition (based on USDA Textural Diagram) | Saturated Hydraulic Conductivity, (cm/s) | Representative Root- Zone Depth, cm | Porosity % | ||||||||
% Sand | % Silt | % Clay | ||||||||||
Sand | 92 | 5 | 3 | 6.6E-03 | 73 | 38.0 | ||||||
Loamy Sand | 83 | 11 | 6 | 1.9E-03 | 76 | 43.7 | ||||||
Sandy Loam | 65 | 25 | 10 | 7.2E-04 | 79 | 44.2 | ||||||
Loam | 42 | 38 | 20 | 3.7E-04 | 55 | 46.6 | ||||||
Silty Loam | 20 | 65 | 15 | 2.0E-04 | 31 | 46.3 | ||||||
Silt | 7 | 88 | 5 | 1.3E-04 | 44 | 44.2 | ||||||
Sandy Clay Loam | 60 | 14 | 26 | 1.1E-04 | 57 | 39.8 | ||||||
Clay Loam | 32 | 35 | 33 | 6.2E-05 | 70 | 47.7 | ||||||
Silty Clay Loam | 10 | 57 | 33 | 4.6E-05 | 64 | 49.0 | ||||||
Sandy Clay | 52 | 7 | 41 | 3.4E-05 | 57 | 43.0 | ||||||
Silty Clay | 7 | 46 | 47 | 2.6E-05 | 50 | 48.6 | ||||||
Clay | 20 | 20 | 60 | 1.9E-05 | 43 | 47.5 | ||||||
Soil-Texture Classification | Dry Bulk Density, g/cm | Field Capacity, % | Available Water Capacity, cm/cm | Soil-Type Coefficient | USLE K-Factor by Organic Matter Content | |||||||
<0.5% | 2% | 4% | ||||||||||
Sand | 1.64 | 9.0 | 0.050 | 4.05 | 0.05 | 0.03 | 0.02 | |||||
Loamy Sand | 1.49 | 12.0 | 0.060 | 4.38 | 0.12 | 0.10 | 0.08 | |||||
Sandy Loam | 1.48 | 17.5 | 0.085 | 4.90 | 0.27 | 2.24 | 0.19 | |||||
Loam | 1.42 | 23.5 | 0.110 | 5.39 | 0.38 | 0.34 | 0.29 | |||||
Silty Loam | 1.42 | 27.5 | 0.155 | 5.30 | 0.48 | 0.42 | 0.33 | |||||
Silt | 1.48 | 28.0 | 0.190 | 5.30 | 0.60 | 0.52 | 0.42 | |||||
Sandy Clay Loam | 1.60 | 24.0 | 0.083 | 7.12 | 0.27 | 0.25 | 0.21 | |||||
Clay Loam | 1.39 | 34.0 | 0.140 | 8.52 | 0.28 | 0.25 | 0.21 | |||||
Silty Clay Loam | 1.35 | 37.5 | 0.150 | 7.75 | 0.37 | 0.32 | 0.26 | |||||
Sandy Clay | 1.51 | 32.0 | 0.090 | 10.40 | 0.14 | 0.13 | 0.12 | |||||
Silty Clay | 1.36 | 42.0 | 0.145 | 10.40 | 0.25 | 0.23 | 0.19 | |||||
Clay | 1.39 | 40.0 | 0.100 | 11.40 | 0.25 | 0.23 | 0.19 |