Table 2 Effects of SWC practices on the mean value of soil physical properties in the study area
Parameter | Treated | Untreated | Change | Change % | P-value | Author(s) |
|---|---|---|---|---|---|---|
Physical | ||||||
 BD (g/cm3) | 1.18 (22) | 1.25 (22) | − 0.06 | − 5.21 | 0.00** | Amdemariam et al. (2011), Hailu et al. (2012), Hailu (2017), Hishe et al. (2017), Tanto and Laekemariam (2019), Belayneh et al. (2019), Degu et al. (2019), Guadie et al. (2020), Mohammed et al. (2020), Tadesse et al. (2016), Demelash and Stahr (2010), Dagnachew et al. (2020), Bezabih et al. (2016), Husen et al. (2017), Terefe et al. (2020), Mesfin et al. (2018), Selassie et al. (2015) |
 Silt (%) | 27.91 (25) | 26.32 (25) | 1.59 | 6.05 | 0.12 | |
 Sand (%) | 37.05 (25) | 38.47 (25) | − 1.47 | − 3.68 | 0.31 | |
 Clay (%) | 34.91 (24) | 35.16 (24) | − 0.25 | − 0.72 | 0.89 | |
Biological | ||||||
 BD (g/cm3) | 1.16 (3) | 1.30 (3) | − 0.14 | − 10.74 | 0.03* | |
 Silt | 29.00 (2) | 41.00 (2) | − 12.00 | − 29.27 | 0.03* | |
 Sand | 23.00 (2) | 27.50 (2) | − 4.50 | − 16.36 | 0.07 | |
 Clay | 48.00 (2) | 31.50 (2) | 16.50 | 52.38 | 0.04* | |
Integrated SWC practices | ||||||
 BD (g/cm3) | 1.17 (7) | 1.27 (7) | − 0.10 | − 7.78 | 0.00** | Amdemariam et al. (2011), Tanto and Laekemariam (2019), Tadesse et al. (2016), Demelash and Stahr (2010) |
 Silt (%) | 30.29 (7) | 26.72 (7) | 3.57 | 13.35 | 0.19 | |
 Sand (%) | 26.34 (7) | 20.58 (7) | 5.76 | 28.00 | 0.11 | |
 Clay (%) | 43.36 7) | 52.68 (7) | − 9.32 | − 17.69 | 0.06 | |