Bipindi akom II lolodorf region, southwest



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tarix01.08.2017
ölçüsü5.01 Kb.
1   ...   10   11   12   13   14   15   16   17   ...   24
 
Depth (cm) 
Hor. 
Description 
 
  0-  7 
Ah 
dark yellowish brown (10YR3/6); slightly gravelly loam; moderate fine crumb to 
angular blocky; loose, friable, slightly sticky and slightly plastic; few to common, fine 
to medium roots; clear and smooth transition to  
  7-  18 
BA 
dark yellowish brown (10YR4/6); clay loam; weak to moderate, fine angular to 
subangular blocky; friable, slightly sticky and slightly plastic; few fine to medium 
roots; gradual and smooth transition to 
  18-  40 
Bws1  yellowish brown (10YR5/6); slightly gravelly clay loam; few small hard spherical iron 
concretions; weak to moderate fine angular to subangular blocky; friable, slightly 
sticky and slightly plastic; very few to few, fine to coarse roots; gradual and smooth 
transition to 
  40-  60/80 
Bc 
yellowish brown (10YR5/6); gravelly clay loam; few to frequent, small to large, soft to 
hard, irregular to spherical iron concretions; weak to moderate fine angular to 
subangular blocky; friable, slightly sticky and slightly plastic; very few very fine roots; 
gradual and irregular transition to 
60/80-125 
BC 
yellowish brown (10YR5/8); gravelly, slightly stony, slightly bouldery clay loam; few 
(5%) fine distinct clear 5YR5/8 mottles; frequent small soft irregular to angular iron 
concretions; weak fine angular to subangular blocky; friable, slightly sticky and 
slightly plastic; no roots.
 

 
 
117
 
Profile 255 
 
 
 
Particle size distribution 
% of fine earth; in 
µm 
 
pH 
 
 
Horizon 
 
 
Depth (cm) 
 
<2 
 
2-50 
 
50-2000 
 
 
 
1 : 25 
 
KCl 
 
Ah 
 
0 - 7 
 
20  
 
40  
 
40  
 
 
 
4.7  
 
3.8  
 
BA 
 
7 - 18 
 
27  
 
21  
 
53  
 
 
 
4.1  
 
3.9  
 
Bws 
 
18 - 40 
 
33  
 
23  
 
44  
 
 
 
3.7  
 
3.8  
 
Bc 
 
40 - 60/80 
 
36  
 
24  
 
41  
 
 
 
3.5  
 
3.9  
 
BC 
 
60/80 - 125 
 
29  
 
34  
 
37  
 
 
 
3.7  
 
3.9  
 
 
 
 
 
Exchangeable bases (NH
4
OAc, pH7), meq/100 g 
 

 
ppm 
 
Horizon 
 
Na 
 

 
Mg 
 
Ca 
 
TEB 
 
Org. C 
 
N total 
 
 
C/N 
 
Available P 
 
Total P 
 
Ah 
 
0.1  
 
0.3  
 
0.7  
 
1.7  
 
2.7  
 
2.4  
 
0.15  
 
16  
 
7  
 
 
 
BA 
 
0.0  
 
0.1  
 
0.1  
 
0.7  
 
1.0  
 
0.9  
 
0.07  
 
12  
 
1  
 
 
 
Bws 
 
0.0  
 
0.1  
 
0.1  
 
0.5  
 
0.7  
 
0.6  
 
0.05  
 
11  
 
0  
 
 
 
Bc 
 
0.0  
 
0.1  
 
0.2  
 
0.5  
 
0.7  
 
0.3  
 
0.04  
 
9  
 
0  
 
 
 
BC 
 
0.0  
 
0.1  
 
0.1  
 
0.5  
 
0.6  
 
0.2  
 
0.02  
 
9  
 
0  
 
 
 
 
 
meq/100 g soil 
 
ECEC in meq/100 g 
 
CEC in meq/100 g 
 

 
Horizon 
 
Al 
 

 
fine earth 
 
clay 
 
fine earth 
 
clay 
 

 
BS 
 
Al Sat. 
 
RAS 
 
Ah 
 
0.5  
 
0.4  
 
3.6  
 
n.a. 
 
9.7  
 
n.a. 
 
409  
 
28  
 
15  
 
6  
 
BA 
 
1.8  
 
1.4  
 
4.2  
 
16  
 
6.5  
 
24  
 
n.a. 
 
15  
 
44  
 
28  
 
Bws 
 
1.9  
 
1.6  
 
4.2  
 
13  
 
7.7  
 
24  
 
n.a. 
 
9  
 
46  
 
25  
 
Bc 
 
1.7  
 
1.5  
 
4.0  
 
11  
 
9.2  
 
26  
 
n.a. 
 
8  
 
44  
 
19  
 
BC 
 
2.2  
 
1.3  
 
4.2  
 
14  
 
7.2  
 
24  
 
n.a. 
 
9  
 
53  
 
31  

 
 
118
PROFILE 256 
 
Legend unit: 
 
Am 
Soil classification: 
Xanthic Ferralsol (FAO) 
 
 
 
 
Typic Hapludox (Soil Taxonomy) 
Description: 
 
On 11-01-96 by Gerard Hazeu 
Location:  
About 8 km S of Meka'aII village; 2
°56'91 N and 10°41'59 E 
Elevation:  
????
 
Landform and slope: 
mountains; lower slope 40 - 50% 
Parent material: Gneisses and/or diorite of the Precambrian shield 
Vegetation:  
Forest 
Drainage:   Well 
drained 
Soil:  
 
Very deep, yellowish brown to strong brown clay. 
 
 
Depth (cm) 
Hor. 
Description 
 
  0-  2 
Ah 
strong brown (7.5YR4/6); sandy clay; weak to moderate fine granular to subangular 
blocky; soft, friable, slightly sticky and slightly plastic; very few to few, very fine to 
fine roots; clear and smooth transition to  
  2-  9 
BA 
strong brown (7.5YR5/6); clay; moderate, fine angular to subangular blocky; friable, 
slightly sticky and slightly plastic; very few to few, fine to medium roots; clear and 
smooth transition to 
  9-  32 
Bws1  strong brown (7.5YR5/8); slightly gravelly clay; few small hard spherical iron 
concretions; moderate fine angular to subangular blocky; friable, slightly sticky and 
slightly plastic; very few to few, fine to medium roots; gradual and smooth transition 
to 
  32- 118 
Bws2  strong brown (7.5YR5/8); very gravelly clay; many (25%) fine faint diffuse 2.5yr5/8 
mottles; frequent small hard angular iron concretions; weak to moderate fine angular to 
subangular blocky; friable, slightly sticky and slightly plastic; very few very fine to 
fine roots; gradual and smooth transition to 
118- 200 
BC 
strong brown (7.5YR5/8); gravelly clay; many (50%) fine faint diffuse 2.5YR5/8 
mottles; frequent small hard angular iron concretions; weak to moderate, fine angular 
to subangular blocky; friable, slightly sticky and slightly plastic; very few very fine 
roots. 
 

 
 
119
 
Profile 256 
 
 
 
 
 
Particle size distribution 
% of fine earth; in 
µmpH 
 
pH 
 
 
 
 
Horizon 
 
 
Depth (cm) 
 
<2 
 
2-50 
 
50-2000 
 
 
 
1 : 2.5 
 
KCl 
 
Ah 
 
0 - 2 
 
55  
 
21  
 
24  
 
 
 
3.4  
 
3  
 
BA 
 
2 - 9 
 
50  
 
14  
 
36  
 
 
 
3.6  
 
3.6  
 
Bws1 
 
9 - 32 
 
59  
 
14  
 
27  
 
 
 
4  
 
4  
 
Bws2 
 
32 - 118 
 
58  
 
15  
 
26  
 
 
 
3.8  
 
3.9  
 
BC 
 
118 - 200 
 
58  
 
15  
 
27  
 
 
 
3.8  
 
3.9  
 
 
 
 
 
Exchangeable bases (NH
4
OAc, pH7), meq/100 g 
 

 
 
 
ppm 
 
Horizon 
 
Na 
 

 
Mg 
 
Ca 
 
TEB 
 
Org. C 
 
N total 
 
C/N 
 
Available 

 
Total P 
 
Ah 
 
0.1  
 
0.6  
 
0.5  
 
2.5  
 
3.7  
 
10.0  
 
0.83  
 
12  
 
13  
 
 
 
BA 
 
0.0  
 
0.2  
 
0.2  
 
0.7  
 
1.1  
 
3.3  
 
0.23  
 
14  
 
2  
 
 
 
Bws1 
 
0.0  
 
0.2  
 
0.0  
 
0.7  
 
0.9  
 
1.1  
 
0.08  
 
14  
 
0  
 
 
 
Bws2 
 
0.0  
 
0.0  
 
0.0  
 
0.2  
 
0.3  
 
0.7  
 
0.06  
 
11  
 
0  
 
 
 
BC 
 
0.0  
 
0.0  
 
0.2  
 
0.2  
 
0.4  
 
0.5  
 
0.05  
 
10  
 
0  
 
 
 
 
 
meq/100 g soil 
 
ECEC in meq/100 g 
 
CEC in meq/100 g 
 

 
Horizon 
 
Al 
 

 
fine earth 
 
clay 
 
fine earth
 
clay 
 

 
BS 
 
Al Sat. 
 
RAS 
 
Ah 
 
2.8  
 
2.2  
 
8.6  
 
n.a. 
 
39.1  
 
n.a. 
 
393  
 
9  
 
32  
 
7  
 
BA 
 
3.5  
 
2.3  
 
6.9  
 
n.a. 
 
15.0  
 
n.a. 
 
455  
 
7  
 
51  
 
23  
 
Bws1 
 
3.2  
 
1.3  
 
5.4  
 
9  
 
10.3  
 
18  
 
n.a. 
 
9  
 
58  
 
31  
 
Bws2 
 
2.5  
 
1.2  
 
4.0  
 
7  
 
7.8  
 
13  
 
n.a. 
 
4  
 
62  
 
32  
 
BC 
 
2.5  
 
1.1  
 
4.0  
 
7  
 
7.5  
 
13  
 
n.a. 
 
6  
 
62  
 
33  

 
 
120
B. Ebom soil type 
 
PROFILE 133  
 
Legend unit: 
 
Cu1 
Soil classification: 
Acri-xanthic Ferralsol (FAO) 
 
 
 
 
Typic Kandiudult (Soil Taxonomy) 
Description: 
 
On 16-06-95 by Gerard Hazeu 
Location:  
About 100 m N of Mebanga village; 2
°48'64 N and 10°37'87 E 
Elevation:  
500 

Landform and slope: 
undulating to rolling uplands; lower slope 5% 
Parent material: Gneisses of the Precambrian shield 
Vegetation:  
Agricultural 
field 
Drainage:   Well 
drained 
Soil:  
 
Deep, yellowish brown clay with sandy loam topsoil. 
 
 
Depth (cm) 
Hor. 
Description 
 
  0-  10 
Ah 
dark yellowish brown (10YR3/4); sandy loam; weak very fine crumb; loose, non 
sticky and slightly plastic; many very fine to fine roots; clear and smooth transition to  
  10-  21 
BA 
dark yellowish brown (10YR4/6); sandy clay; weak to moderate, very fine to fine 
subangular blocky; friable, slightly sticky and slightly plastic; common very fine to 
fine roots; gradual and smooth transition to 
  21-  50 
Bws1  yellowish brown (10YR5/6); slightly gravelly clay; weak to moderate, very fine to fine 
subangular blocky; friable, slightly sticky and slightly plastic; few very fine to fine 
roots; clear and smooth transition to 
  50-  78 
Bws2  yellowish brown (10YR5/6); gravelly clay; few small to large, hard irregular iron 
concretions; weak to moderate, very fine to fine subangular blocky; friable, slightly 
sticky and slightly plastic; no roots; gradual and smooth transition to 
  78- 114 
BC 
yellowish brown (10YR5/6); gravelly to very gravelly clay; frequent small to large, 
soft to hard irregular iron concretions; weak to moderate, very fine to fine subangular 
blocky; friable, slightly sticky and slightly plastic; no roots.
 

 
 
121
 
Profile 133 
 
 
 
Particle size distribution 
% of fine earth; in 
µm 
 
pH 
 
 
Horizon 
 
 
Depth 
(cm) 
 
<2 
 
2-50 
 
50-
2000 
 
 
 
1 : 2.5 
 
KCl 
 
Ah 
 
0-10 
 
20  
 
13  
 
67  
 
 
 
4.4  
 
3.5  
 
BA 
 
10-21 
 
39  
 
13  
 
49  
 
 
 
3.8  
 
3.5  
 
Bws1 
 
21-50 
 
43  
 
13  
 
44  
 
 
 
3.8  
 
3.5  
 
Bws2 
 
50-78 
 
44  
 
13  
 
44  
 
 
 
3.8  
 
3.6  
 
BC 
 
78-114 
 
44  
 
19  
 
37  
 
 
 
4.3  
 
3.6  
 
 
 
 
 
Exchangeable bases (NH
4
OAc, pH7), 
meq/100 g 
 

 
ppm 
 
Horizon 
 
Na 
 

 
Mg 
 
Ca 
 
TEB 
 
Org. C 
 
N total 
 
 
C/N 
 
Available P 
 
Total P 
 
Ah 
 
0.1 
 
0.1 
 
0.7 
 
2.2 
 
3.2 
 
2.6 
 
0.21 
 
12 
 
13  
 
269  
 
BA 
 
0.1 
 
0.0 
 
0.3 
 
0.5 
 
0.9 
 
0.9 
 
0.11 
 

 
2  
 
206  
 
Bws1 
 
0.1 
 
0.0 
 
0.6 
 
0.1 
 
0.8 
 
0.7 
 
0.1 
 

 
1  
 
212  
 
Bws2 
 
0.1 
 
0.0 
 
0.2 
 
0.1 
 
0.4 
 
0.6 
 
0.08 
 

 
1  
 
274  
 
BC 
 
0.1 
 
0.0 
 
0.3 
 
0.3 
 
0.6 
 
0.5 
 
0.07 
 

 
1  
 
537  
 
 
 
meq/100 g soil 
 
ECEC in 
meq/100 g 
 
CEC in meq/100 g 
 

 
Horizon 
 
Al 
 

 
fine earth 
 
clay 
 
fine earth
 
clay 
 

 
BS 
 
Al Sat. 
 
RAS 
 
Ah 
 
0.6  
 
0.3  
 
4.1  
 
n.a. 
 
5.9  
 
n.a. 
 
227  
 
54  
 
10  
 
14  
 
BA 
 
3.4  
 
0.2  
 
4.5  
 
12 
 
3.5  
 
9  
 
n.a. 
 
26  
 
97  
 
75  
 
Bws1 
 
3.7  
 
0.5  
 
4.9  
 
11 
 
3.8  
 
9  
 
n.a. 
 
21  
 
99  
 
75  
 
Bws2 
 
3.1  
 
0.4  
 
3.9  
 

 
2.3  
 
5  
 
n.a. 
 
16  
 
100  
 
80  
 
BC 
 
2.0  
 
0.5  
 
3.1  
 

 
1.3  
 
3  
 
n.a. 
 
48  
 
100  
 
64  

 
 
122
PROFILE 135 
 
Legend unit: 
 
Bh1 
Soil classification: 
Acri-xanthic Ferralsol (FAO) 
 
 
 
 
Typic Kandiudult (Soil Taxonomy) 
Description: 
 
On 24-06-95 by Gerard Hazeu 
Location:  
About 3 km N of Esseng village; 2
°49'75 N and 10°39'53 E 
Elevation:  
580 

Landform and slope: 
isolated hill; lower slope 25% 
Parent material: Gneisses of the Precambrian shield 
Vegetation:  
Forest 
Drainage:   Well 
drained 
Soil:  
 
Moderately deep to deep, yellowish brown to strong brown clay with sandy clay loam to sandy 
clay topsoil. 
 
 
Depth (cm) 
Hor. 
Description 
 
  0-  7 
Ah 
dark yellowish brown (10YR4/4); sandy clay loam; strongly coherent; very friable, 
slightly sticky and slightly plastic; few very fine roots; clear and smooth transition to  
  7-  25 
BA 
yellowish brown (10YR4/6); clay; weak to moderate, fine subangular blocky; friable, 
slightly sticky and slightly plastic; common to many, very fine to fine roots; clear and 
smooth transition to 
  25-  40/130  Bws1  yellowish brown (10YR5/8); clay; weak, fine subangular blocky; friable, slightly 
sticky and slightly plastic; very few to few, fine to medium roots; abrupt and broken 
transition to C and gradual and smooth to Bws2 
  40-  130 
Bws2  yellowish brown (10YR5/8); slightly gravelly clay; few (5%) fine distinct clear 
7.5YR5/8 mottles; weak fine subangular blocky; friable, slightly sticky and slightly 
plastic; very few to few, fine to medium roots; gradual and irregular transition to CB 
  
40/130 
C(B) 
 

 
 
123
 
Profile 135 
 
 
 
Particle size distribution 
% of fine earth; in 
µm 
 
pH 
 
 
 
 
Horizon 
 
 
Depth (cm) 
 
<2 
 
2-50 
 
50-
2000 
 
 
 
1:2.5 
 
KCl 
 
 
 
Ah 
 
0 - 7 
 
29  
 
17  
 
55  
 
 
 
5.6  
 
4.8  
 
 
 
BA 
 
7 - 25 
 
43  
 
15  
 
42  
 
 
 
4.4  
 
3.5  
 
 
 
Bws1 
 
25 - 40/130 
 
51  
 
15  
 
34  
 
 
 
4.2  
 
3.5  
 
 
 
Bws2 
 
40 - 130 
 
61  
 
13  
 
26  
 
 
 
4.2  
 
3.5  
 
 
 
C(B) 
 
40/130 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exchangeable bases (NH
4
OAc, pH7), meq/100 g 
 

 
ppm 
 
Horizon 
 
Na 
 

 
Mg 
 
Ca 
 
TEB 
 
Org. C 
 
N total 
 
 
C/N 
 
Available P 
 
Total P 
 
Ah 
 
0.1  
 
0.4  
 
2.1  
 
4.9  
 
7.5  
 
3.3  
 
0.21  
 
16  
 
8  
 
374  
 
BA 
 
0.1  
 
0.0  
 
0.4  
 
0.6  
 
1.2  
 
1.7  
 
0.12  
 
14  
 
3  
 
257  
 
Bws1 
 
0.1  
 
0.0  
 
0.6  
 
0.6  
 
1.3  
 
1.1  
 
0.11  
 
10  
 
1  
 
215  
 
Bws2 
 
0.1  
 
0.0  
 
0.3  
 
0.1  
 
0.4  
 
0.9  
 
0.09  
 
10  
 
1  
 
221  
 
C(B) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
meq/100 g soil 
 
ECEC in meq/100 g 
 
CEC in meq/100 g 
 

 
Horizon 
 
Al 
 

 
fine earth 
 
clay 
 
fine earth
 

 

 
BS 
 
Al Sat. 
 
RAS 
 
Ah 
 
0.0  
 
0.4  
 
7.9  
 
n.a. 
 
8.9  
 
n.a. 
 
270  
 
84  
 
0  
 
0  
 
BA 
 
2.2  
 
0.7  
 
4.0  
 
9  
 
2.5  
 
6  
 
151  
 
47  
 
87  
 
54  
 
Bws1 
 
3.1  
 
0.4  
 
4.8  
 
10  
 
3.2  
 
6  
 
290  
 
41  
 
96  
 
64  
 
Bws2 
 
2.9  
 
0.5  
 
3.8  
 
6  
 
2.0  
 
3  
 
216  
 
22  
 
100  
 
76  
 
C(B) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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