Size Class and Particle Diameter

Table S1. VF soil pit on the BB catchment border

SOIL Fairpoint / Bethesda SOIL NO. LOCATION Breathitt AGRONOMY DEPARTMENT

General Methods 1A1 1A2 1B1b 2A1 County, Kentucky UNIVERSITY OF KENTUCKY

3A1 Particle Size Class and Particle Diameter (mm) 2A2 3Bla
Total / Sand / Silt / Coarse Fragments
Depth
in / Horizon / Sand
(2-0.05) / Silt
(0.05-0.002) / Int. IV
Clay
<0.002 / Very Coarse
(2-1) / Coarse
(1-0.5) / Medium
(0.5-0.25) / Fine
(0.25-.01) / Very Fine
(0.1-0.05) / (0.05-0.02) / Int. III
(.02-.002) / Int. II
(0.2-0.02) / Int. I
(2-0.2) / Sand Coarser
Than VF
(2-0.1) / VFS Plus Silt
(0.1-0.002) / Textural Class / >2
Pct / 2-19
Pct of
<76mm / 19-76
Pct of
<76mm
0-11 / Ap / 32.3 / 46.1 / 21.6 / 5.1 / 5.6 / 6.9 / 7.3 / 7.4 / l/sil
11-25 / C1 / 28.5 / 48.2 / 23.3 / 4.8 / 5.5 / 4.8 / 6.2 / 7.2 / l/sil
25-32 / C2 / 29.5 / 46.4 / 24.1 / 5.7 / 5.2 / 5.5 / 5.9 / 7.2 / l
32-41 / C3 / 32.9 / 45.3 / 21.8 / 4.9 / 5.9 / 5.9 / 7.2 / 9.0 / l
41-51 / C4 / 27.0 / 48.9 / 24.1 / 4.1 / 5.3 / 5.2 / 5.5 / 6.9 / sil/l
51-58
58-72 / C5
C6 / 31.5
41.8 / 50.7
43.5 / 17.8
14.7 / 6.7
11.4 / 7.0
8.5 / 4.4
6.5 / 5.0
6.4 / 8.4
9.0 / l
l
8Cl pH / 5A1 Exchangeable Bases / Base Saturation / 6Glx / 6Hla / 5A3a / 6N7 / 6Ala / 60sz / 6S6
Depth
in / 8Cla 1:1
H2O / 8Clc
(1:1)
KCl / 8D7
SMP
Buff. / 6N2z
Ca
meq/
100gm / 602z
Mg
meq/
100gm / 602z
K
meq/
100gm / 6P2z
Na
meq/
100gm / 5Bla
TEB
meq/
100gm / 5Alz
CEC
meq/
100gm / 5Cl
Pct / 5C3
Pct / H+Al
meq/
100 gm / EA
meq/
100gm / SC
meq/
100gm / Fe2O3
Pct / CaCO3
Eq. Pct / Organic
Matter
Pct / K
ppm / P
Bray No.1
ppm
0-11 / 7.13 / 7.22 / 4.99 / 6.56 / 0.21 / 0.02 / 11.78 / 11.80 / 99 / 78 / 3.35 / 15.13
11-25 / 7.77 / 7.43 / 4.43 / 5.46 / 0.24 / 0.02 / 10.15 / 8.75 / 116 / 87 / 1.51 / 11.66
25-32 / 7.72 / 7.45 / 4.48 / 5.63 / 0.27 / 0.03 / 10.41 / 9.00 / 94 / 88 / 1.38 / 11.79
32-41 / 6.93 / 7.09 / 4.34 / 6.46 / 0.23 / 0.03 / 11.06 / 11.34 / 97 / 70 / 4.68 / 15.74
41-51 / 7.55 / 7.47 / 4.20 / 5.48 / 0.25 / 0.04 / 9.97 / 9.50 / 105 / 82 / 2.12 / 12.09
51-58
58-72 / 7.81
7.95 / 7.50
7.52 / 4.11
3.69 / 5.38
5.16 / 0.21
0.20 / 0.04
0.04 / 9.74
9.09 / 7.56
6.80 / 129
134 / 87
94 / 1.38
0.56 / 11.12
9.65
Mineralogical Analysis - Estimated Percentages in Various Size Fractions
Sand + Silt / Clay
Horizon / Q / F / MI / K / V / INT / RE / CA / SM / V / HIV / CL / INT / K / MI / Q / GI / GO / F
C1 / 22 / 4 / 48 / 15 / 11
C2 / 15 / 20 / 43 / 13 / 9
C3 / 23 / 9 / 42 / 13 / 13
C4 / 28 / 11 / 43 / 18

Minerals: SM = smectite; V = vermiculite; HIV = hydroxyinterlayered vermiculite; CL = chlorite; INT = interstratified; K= kaolinite;

MI = mica; Q = quartz; GO = goethite; GI = gibbsite; F = feldspars; CA = calcite; RE = other resistant minerals