Explaining Soil Fertility Heterogeneity in Smallholder Farms of Southern Ethiopia

Table 2

Descriptive statistics of particle size distribution, silt : clay ratio, and bulk density for surface soils.

District	Descriptive statistics	Sand	Silt	Clay	Silt : clay ratio	BD (g/cm^3)	Soil textural classes
Damot Gale (N = 243)	Mean	18.4	56.2	25.4	3.2	1.14	Silt loam
	Std. dev	6.6	10.6	13.7	2.1	0.12
	Median	17.3	58.0	21.7	2.8	1.13
	Minimum	0.5	17.0	6.1	0.2	0.76
	Maximum	39.5	78.6	79.9	10.7	1.48
	CV (%)	36	19	54	66	11
Damot Sore (N = 216)	Mean	12.0	24.7	63.3	0.4	1.23	Clay
	Std. dev	4.1	7.8	11.4	0.2	0.13
	Median	13.2	24.7	62.1	0.4	1.22
	Minimum	2.8	7.3	32.5	0.1	1.04
	Maximum	23.3	47.9	89.7	1.5	1.52
	CV (%)	34	32	18	50	11
Sodo Zuria (N = 331)	Mean	11.4	21.6	67.0	0.4	1.20	Clay
	Std. dev	4.3	10.0	13.0	0.3	0.13
	Median	11.5	19.6	69.2	0.3	1.19
	Minimum	1.3	3.0	28.6	0.03	0.76
	Maximum	30.8	51.5	95.6	1.8	1.50
	CV (%)	38	46	19	75	11
Total (N = 789)	Mean	13.7	33.1	53.2	1.3	1.18	Clay
	Std. dev	5.9	18.2	22.6	1.8	0.13
	Median	13.1	27.5	58.8	0.5	1.17
	Minimum	0.5	3.0	6.1	0.03	0.76
	Maximum	39.5	78.6	95.6	10.7	1.52
	CV (%)	43	55	42	138	11
	Fvalue	150	1015	827	503.5	18.4
	value	0.000	0.000	0.000	0.000	0.000

Sample size for BD (bulk density) of Damot Gale = 197, Damot Sore = 42, Sodo Zuria = 193, and total = 432.