Explaining Soil Fertility Heterogeneity in Smallholder Farms of Southern Ethiopia

Table 6

Descriptive statistics of soil exchangeable bases, CEC, and PBS for surface soil.

District	Descriptive Statistics	Ca	Mg	K	Na	CEC	PBS
		cmol (+)/kg					%
Damot Gale (N = 243)	Mean	9.1	1.9	1.4	0.8	21.1	61.3
	Std. dev	3.1	0.6	0.8	0.3	4.0	8.4
	Median	8.4	1.9	1.1	0.7	20.3	61.4
	Minimum	1.5	0.2	0.1	0.1	3.3	30.5
	Maximum	19.6	4.2	3.9	2.1	34.3	80.1
	CV (%)	34	32	57	38	19	14
Damot Sore (N = 216)	Mean	8.3	2.3	1.4	0.8	22.6	53.8
	Std. dev	4.9	1.4	1.0	0.3	6.1	14.9
	Median	7.1	2.0	1.0	0.7	20.9	54.4
	Minimum	2.0	0.5	0.2	0.4	13.8	19.5
	Maximum	31.2	9.5	6.2	3.1	50.5	87.8
	CV (%)	59	61	71	38	27	28
Sodo Zuria (N = 330)	Mean	7.0	1.8	1.1	0.7	20.0	51.8
	Std. dev	3.6	0.7	0.7	0.3	3.7	13.8
	Median	6.4	1.8	0.9	0.6	19.4	53.2
	Minimum	1.1	0.2	0.2	0.2	12.4	8.8
	Maximum	31.3	4.6	4.5	2.3	43.8	86.5
	CV (%)	51	39	64	43	19	27
Total (N = 789)	Mean	8.0	2.0	1.3	0.7	21.0	55.3
	Std. dev	4.0	0.9	0.9	0.3	4.7	13.4
	Median	7.4	1.9	1.0	0.6	20.0	56.9
	Minimum	1.1	0.2	0.1	0.1	3.3	8.8
	Maximum	31.3	9.5	6.2	3.1	50.5	87.8
	CV (%)	50	45	69	43	22	24
	Fvalue	20.4	15.2	8.5	13.4	20.7	40.5

Numbers in brackets refer to sample size; significant at .