Spatial Variability of Soil Organic Carbon Stock in Gurje Subwatershed, Hadiya Zone, Southern Ethiopia

Table 2

Means differences of the selected soil properties between the two depths.

Variables	Depth (cm)	Mean ± SD	SD	CV%	value
Sand	0–20	31.10^a	3.95	12.70	0.2531
	20–40	30.00^ab	4.57	15.23
Silt	0–20	28.75^ab	6.11	21.25	0.8874
	20–40	28.95^a	6.49	22.42
Clay	0–20	40.15^ab	6.32	15.74	0.5606
	20–40	41.05^a	7.41	18.05
BD	0–20	1.117^ab	0.134	11.996	0.8982
	20–40	1.121^a	0.109	9.724
pH	0–20	5.67^b	0.42	7.41	0.0104
	20–40	5.90^a	0.36	6.10
TN	0–20	0.163^a	0.063	38.65	0.0079
	20–40	0.128^b	0.0537	42.19
C/N	0–20	13.161^ab	1.419	10.78	0.7722
	20–40	13.251^a	1.3669	10.32
SOC	0–20	21.51^a	8.793	40.88	0.0197
	20–40	17.09^b	7.77	45.47
SOCS	0–20	34.06^a	15.742	46.23	0.0140
	20–40	25.85^b	13.313	51.50

CV = coefficient of variation; SD = standard deviation. Means of a given variable with single different letters within a column are significantly different at .