Soil organic carbon variation in relation to land use changes: the case of Birr watershed, upper Blue Nile River Basin, Ethiopia

Table 4 Summary of two-way ANOVA results for the soil chemical properties in relation to land use and soil depths (0–20 cm)

Source of variation	D.F	pH (H₂O)		SOC content		SOC stock
Source of variation	D.F	MS	p	MS	p	MS	p
LULC	3	1.588	0.0003	15.306	< 0.0001	629.084	0.0002
Depth	1	0.125	0.4741	43.901	< 0.0001	3797.15	< 0.0001
LULC*depth	3	0.08	0.8027	2.363	0.1085	95.518	0.375
Mean		5.46		2.4		21.86
R-square		0.125		0.35		0.301
Error	148	0.243		1.149		91.497

LULC and MS stands for the land use land cover and mean of square, respectively

ISSN: 2288-1220