Research Article
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 |
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Numbers in brackets refer to sample size; significant at . |