Table 4 Average metal concentration in soils from Awara Melka and Nura Era Farms, (mean ± SD, n = 6)
Farm | Fruit land | Concentration of metals in soils (mg/kg dry soil) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
K | Ca | Mg | Fe | Mn | Cu | Zn | Pb | Cd | Na | ||
Awara Melka | Banana land | 5020 ± 50 | 13,200 ± 200 | 8400 ± 100 | 61,600 ± 200 | 2440 ± 60 | 32.7 ± 0.5 | 111 ± 1.4 | 15.3 ± 0.6 | 3.54 ± 0.16 | 211 ± 2.8 |
Nura Era | Orange, mandarin land | 7500 ± 170 | 16,500 ± 200 | 7700 ± 300 | 42,800 ± 1500 | 2950 ± 90 | 17.3 ± 0.9 | 130 ± 1.3 | 31.3 ± 1.7 | 6.23 ± 0.40 | 125 ± 5.1 |
Grape land | 9070 ± 80 | 7900 ± 100 | 6400 ± 100 | 38,800 ± 100 | 2940 ± 110 | 25.6 ± 0.9 | 114 ± 2.3 | 32.2 ± 0.9 | 2.54 ± 0.20 | 51.8 ± 3.3 | |
Guava land | 6680 ± 110 | 10,400 ± 300 | 4600 ± 200 | 26,800 ± 200 | 2300 ± 80 | 23.1 ± 1.1 | 128 ± 1.7 | 22.9 ± 0.5 | 3.69 ± 0.13 | 70.2 ± 3.3 | |