Table 8: Morphological characteristics of upland soils in Kogi East.
|
Pedon/ Coordinate |
Location |
Horizon depth |
Horizon designation |
Colour |
Texture |
Structure |
Consistence |
Boundary |
Pores |
Roots |
Others |
|
|
|
|
(cm) |
|
Matrix |
|
|
Wet |
Moist |
|
|
|
|
|
22a1 |
Anyigba |
0 - 19 |
Ap1 |
2.5YR3/2 |
sl |
24c |
Nsnp |
L |
Aw |
Mfi |
mfi |
- |
|
07 o28’17.4” N |
|
19 - 58 |
Ap2 |
5YR4/6 |
sl |
14sbk |
Nsnp |
vfr |
Cs |
Mfi |
mmeco |
- |
|
007o09’55.8” E |
|
58 - 102 |
AB |
5YR5/8 |
scl |
25sbk |
Sssp |
vfr |
Ds |
Ffico |
ffi |
Medium nodules |
|
|
|
102 - 151 |
Btv1 |
2.5YR5/8 |
cl |
25sbk |
Nsnp |
Fr |
Ds |
Fvfi |
fvfi |
Few fine clay films on ped faces |
|
|
|
151 - 208 |
Btv2 |
10R5/8 |
c |
25sbk |
Sp |
F |
- |
Fvfi |
fvfi |
Few fine clay films on ped faces |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22a2 |
Okabo |
0 - 15 |
Ap1 |
5YR3/2 |
ls |
14g |
Nsnp |
L |
Gw |
Ffi |
cfi |
- |
|
07 o33’ 17.0” N |
|
15 - 34 |
Ap2 |
5YR3/6 |
ls |
25c |
Nsnp |
L |
Ds |
Cmfi |
cmme |
- |
|
007o12’06.9” E |
|
34 - 74 |
AB |
10R4/8 |
scl |
25c |
Sssp |
vfr |
Ds |
Mfi |
mco |
- |
|
|
|
74 - 132 |
Btv1 |
10R4/6 |
sc |
245sbk |
Sssp |
Fr |
Ds |
Fvfi |
fco |
Few faint clay films on ped faces |
|
|
|
132 - 170 |
Btv2 |
7.5R4/8 |
sc |
25sbk |
Sssp |
Fr |
Ds |
Ffi |
fme |
Few faint clay films on ped faces |
|
|
|
170 - 200 |
Btv3 |
7.5R4/8 |
sc |
25sbk |
Sssp |
Fr |
- |
Ffi |
ffi |
Few ants |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22a3 |
Ologba |
0 - 19 |
Ap |
5YR4.5/1.2 |
cl |
25c |
Nsnp |
vfr |
Cw |
Cme |
cme |
- |
|
07 o37’25.2” N |
|
19 - 42 |
Btv |
2.5YR3/6 |
c |
25sbk |
Sp |
F |
Gs |
Mme |
mmeco |
Few faint clay films on ped faces |
|
007o13’15.0” E |
|
42 - 65 |
Btvx |
2.5YR4/8 |
c |
26abk |
Sp |
F |
- |
Fvfi |
fvfi |
Few shiny mica flakes, clay films, mud stone |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22a4 |
Abejukolo-Egume |
0 - 20 |
Ap |
7.5YR4/4 |
scl |
14g |
Nsnp |
L |
Cw |
Ffi |
cfime |
Few medium charcoal |
|
07 o26’05.1” N |
|
20 - 51 |
Bt |
7.5YR4/6 |
scl |
124c |
Nsnp |
vfr |
Cs |
Ffi |
cmeco |
Few medium charcoal |
|
007o12’00.1” E |
|
51 - 88 |
Btc |
7.5YR5/8 |
c |
14sbk |
Sssp |
Fr |
- |
Ffime |
cmeco |
Few clay films on ped faces, few medium black ants, Bed rock |
Structure: 1 = weak, 2 = moderate, 3 = strong, 4 = fine, 5 = medium, 6 = coarse, c = crumb, g = granular, sbk = subangular, abk = angular blocky, s = single grain
Texture: l = loam, s = sand, c = clay, si = silt, cl = clay loam, sl = sandy loam, scl = sandy clay loam, sc = sandy clay, g = gravelly, v = very, e = extremely, st = stony
Consistency: sp = sticky and plastic, sssp = slightly sticky and slightly plastic, nsnp = non sticky and non plastic, l = loose, vfr = very friable, fr = friable, f = firm, v = very firm. Pores and Roots: f = few, v = very, m = many, c = common, fi = fine, me = medium, co = coarse
Boundary: a = abrupt, c = clear, g = gradual, d = diffuse, s = smooth, w = wavy, I = irregular