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. 2021 Aug 9;7(8):e07745. doi: 10.1016/j.heliyon.2021.e07745

Table 5.

The distribution of trace metals and micronutrients in schemes of Usangu basin Southern Highland Tanzania.

Irrigation Scheme Cu (mg/kg) Co (μg/kg) Cr (μg/kg) Mo (μg/kg) Ni (μg/kg)
Mean Chimala 2.29 699.57 101.46 ND 1086.71
Igalako 0.55 572.35 26.14 2.25 244.42
Ihahi 0.81 489.30 13.46 11.80 110.46
Ilaji 1.53 291.19 46.08 ND 134.54
Isenyela 0.31 325.74 6.09 16.44 93.28
Kapunga 1.83 631.04 39.60 0.72 307.89
Mabadaga 2.11 912.72 99.03 1.35 1770.17
Mahangole 0.68 455.84 13.49 5.67 74.14
Mubuyuni 3.44 987.06 84.92 0.18 1278.17
Uturo 4.14 1619.78 55.81 3.45 799.26
Minimum Chimala 2.06 666.77 89.27 0.00 1048.16
Igalako 0.23 365.44 9.29 0.00 53.34
Ihahi 0.53 164.21 1.17 0.00 84.45
Ilaji 0.15 135.99 10.95 0.00 49.00
Isenyela 0.10 321.38 0.95 14.92 86.08
Kapunga 0.48 45.16 6.93 0.00 25.22
Mabadaga 1.96 838.51 92.37 0.00 1708.89
Mahangole 0.03 280.16 0.00 0.00 34.70
Mubuyuni 1.22 409.28 18.26 0.00 170.66
Uturo 3.10 752.11 40.09 0.00 520.92
Maximum Chimala 2.55 719.95 107.82 ND 1112.72
Igalako 0.97 883.46 48.84 7.34 510.18
Ihahi 1.27 1045.42 52.60 65.87 175.73
Ilaji 2.96 468.57 85.74 ND 216.22
Isenyela 0.51 332.78 9.19 18.28 102.22
Kapunga 4.12 1728.17 97.86 7.67 725.18
Mabadaga 2.30 1023.17 102.92 3.23 1883.60
Mahangole 1.11 647.26 27.04 22.11 110.20
Mubuyuni 7.21 1822.17 222.78 2.18 4497.32
Uturo 5.96 2684.30 68.74 13.03 1299.45

ND; means not detected.