Applied and Environmental Soil Science

Research Article

Characterization and Classification of Soils of Abobo Area, Western Ethiopia

Table 2

Selected morphological properties of the pedons.


Pedon	Horizon	Depth (cm)	Boundary¹	Color		Texture (Feel method)²	Structure³	Consistency⁴	Coarse fragment (%)
Pedon	Horizon	Depth (cm)	Boundary¹	Dry	Moist	Texture (Feel method)²	Structure³	Consistency⁴	Coarse fragment (%)

A-1	Ap	0–18	GS	10YR 3/6	10YR 3/3	CL	MO, VM, GR	SHA, FR, ST, SPL	—
	Bw1	18–25	GS	2.5YR 4/6	2.5YR 4/4	CL	MO, VM, AB	SHA, FR, ST, SPL	—
	Bw2	25–35	GS	2.5YR 4/8	2.5YR 4/6	C	MO, FM, AB	SHA, FR, ST, PL	—
	CB	35–110	—	2.5YR4/6	2.5YR 4/6	C	MO, FM, AB	SHA, FR, ST, PL	47

A-2	A	0–18	GS	10YR 4/3	10YR 3/2	CL	MO, FM, GR	SHR, FR, ST, PL	—
	Ad	18–27	CS	10YR 4/3	10YR 3/2	CL	MO, FM, AB	SHA, FR, ST, PL	—
	Bt1	27–37	CS	2.5YR 4/4	2.5YR 4/3	C	MO, ME, AB	SHA, FR, ST, PL	—
	Bt2	37–50	GS	2.5YR 4/6	2.5YR 4/5	C	MO, ME, AB	SHA, FR, ST, PL	—
	BC	50–80	—	2.5YR 4/6	2.5YR 4/5	C	MO, ME, AB	SHA, FR, ST, PL	21

A-3	Ap	0–22	CS	7.5YR 3/3	7.5YR 3/3	CL	MO, FM, GR	SHA, FR, ST, PL	—
	A	22–33	CS	7.5YR 3/3	7.5YR 3/2	C	MO, ME, AB	HA, FR, VST, VPL	—
	Bt1	33–45	GS	5YR 4/6	5YR 4/4	C	MO, ME, AB	HA, FR, VST, VPL	—
	Bt2	45–63	GS	5YR 4/4	2.5YR 4/3	C	MO, ME, AB	HA, FR, VST, VPL	—
	BC	63–85	—	5YR 4/6	5YR 4/4	C	MO, ME, AB	HA, FR, VST, VPL	19

A-4	Ap	0–10	CS	10YR 3/6	10YR 3/3	CL	WE, FI, GR	SHA, FR, ST, PL	—
	A	10–19	CS	10YR 3/4	10YR 3/3	C	ST, FM, SB	VHA, FI, ST, PL	—
	Bt1	19–37	GS	7.5YR 4/4	7.5YR 3/3	C	ST, FM, AB	VHA, FI, ST, PL	—
	Bt2	37–75	GS	5YR 4/6	5YR 3/4	C	ST, FM, AB	HA, FI, ST, PL	—
	BC	75–85	—	5YR 4/6	5YR 4/4	C	ST, FM, AB	SHA, FR, TS, PL	23

A-5	Ap	0–17	GS	10YR 3/7	10YR 3/1	C	MO, MC, AB	HA, FR, ST, PL	—
	A	17–55	GS	10YR 5/2	10YR 3/2	C	ST, CO, AB	VHA, FI, ST, PL	—
	Bss1	55–116	GS	2.5Y 5/2	2.5Y 4/2	C	ST, CO, AB	VHA, VFI, ST, PL	—
	BCss2	116–150	—	10YR 5/2	10YR 3/2	C	VST, CO, AB	VHA, VFI, ST, PL	—

A-6	Ap	0–20	—	10YR 4/3	10YR 3/2	L	MO, FM, GR	SHA, FR, ST, PL	—

A-7	A	0–29	CS	10YR 3/2	10YR 2/1	C	MO, FM, AB	SHA, FR, ST, PL	—
	Bss1	29–48	GS	10YR 4/4	10YR 3/4	C	ST, VC, AB	EHA, EFI, VST, VPL	—
	Bss2	48–105	GS	10YR 3/6	10YR 3/2	C	ST, ECAB	EHA, EFI, VST, VPL	—
	BCss	105–150+	—	2.5Y 6/1	2.5Y 5/1	C	ST, EC, PR	EHA, EFI, VST, VPL	—

= clear and smooth; GS = gradual and smooth.
²CL = clay loam; C = clay.
³WE = weak; ST = strong; MO = moderate; VST = very strong; FI = fine; FM = fine and medium; VM = very fine to medium; MC = medium and coarse; ME = medium; CO = coarse; VC = very coarse; EC = extremely coarse; GR = granular; SB = subangular blocky; AB = angular blocky; PR = prismatic.
⁴SHA = slightly hard; VHA = very hard; HA = hard; EHA = extremely hard; ST = sticky; SST = slightly sticky; VST = very sticky; PL = plastic; SPL = slightly plastic; VPL = very plastic; FR = friable; FI = firm; EFI = extremely firm.