Element

Bulbula (Addis Ababa)

Kera (Addis Ababa)

Current study area

Guidelines for metal above standard level

Soil (total)

Soil (total)

Soil (total)

Soil (total)

(mg∙kg−1)

(mg∙kg−1)

(mg∙kg−1)

(mg∙kg−1)

Cu

38.96

55

40.5

100

Fe

163.86

79.7

35.5

50000

Mn

6587

3598

134.0

2000

Ni

74.13

115

2.1

50

Pb

46.47

110

2.6

100

Zn

2985.5

263

53.5

300