Table 2 Mean values of the physicochemical properties of locally classified soils in studied districts of Wolaita zone, southern Ethiopia
Parameters | Farmers soil types | ||||||
|---|---|---|---|---|---|---|---|
Arrada bita | Kereta bita | Chere bita | Talla bita | Gobo bita | Zo’o bita | Lada bita | |
Sand (%) | 15.1 | 17.4 | 14.7 | 13.5 | 11.5 | 9.7 | 14.1 |
Silt (%) | 40.0 | 47.2 | 40.5 | 36.1 | 22.4 | 19.2 | 30.7 |
Clay (%) | 44.9 | 35.4 | 44.8 | 50.4 | 66.1 | 71.1 | 55.2 |
Textural class | Silty clay | Silty clay loam | Silty clay | Clay | Clay | Clay | Clay |
Bulk density (g cm−3) | 1.1 | 1.1 | 1.1 | 1.2 | 1.2 | 1.2 | 1.2 |
pH-H2O | 6.4 | 6.2 | 5.8 | 6.2 | 5.9 | 5.6 | 6.0 |
OC (%) | 2.2 | 1.9 | 1.8 | 1.6 | 2.2 | 2.2 | 1.7 |
TN (%) | 0.2 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.1 |
P (mg kg−1) | 21.0 | 7.6 | 7.3 | 5.3 | 5.7 | 3.0 | 3.3 |
Ca (Cmolc kg−1) | 9.9 | 8.7 | 7.8 | 8.9 | 6.5 | 5.5 | 6.3 |
K (Cmolc kg−1) | 1.9 | 1.0 | 0.6 | 1.2 | 1.1 | 0.9 | 0.9 |
Mg (Cmolc kg−1) | 2.2 | 1.6 | 1.6 | 2.3 | 1.9 | 1.7 | 1.7 |
S (mg kg−1) | 10.4 | 10.5 | 10.0 | 9.9 | 11.5 | 13.5 | 10.8 |
B (mg kg−1) | 0.7 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.4 |
Cu (mg kg−1) | 0.7 | 0.6 | 0.6 | 0.4 | 0.6 | 0.4 | 0.4 |
Fe (mg kg−1) | 121.1 | 140.5 | 234.7 | 134.9 | 114.7 | 106.6 | 118.3 |
Mn (mg kg−1) | 159.7 | 125.9 | 89.9 | 141.6 | 157.0 | 137.5 | 136.4 |
MnAI (mg kg−1) | 602.7 | 480.0 | 351.2 | 538.1 | 601.2 | 532.4 | 522.5 |
Zn (mg kg−1) | 13.3 | 9.8 | 4.1 | 6.5 | 7.8 | 5.8 | 6.3 |
TEB (Cmolc kg−1) | 14.7 | 12.1 | 10.8 | 13.2 | 10.3 | 8.9 | 9.7 |
CEC (Cmolc kg−1) | 23.0 | 19.6 | 17.8 | 22.1 | 20.3 | 19.6 | 19.1 |