Microelement contents

Xuanzhou

district

Langxi

county

Jingde

county

Jing

county

Total

Fe

Range

5.1 - 35.4

24.5 - 36.0

28.2 - 37.6

17.9 - 36.5

5.1 - 37.6

Mean/S.D.

28.3/6.4

32.0/2.6

34.4/2.2

31.7/4.0

31.1/5.1

Mn

Range

1.5 - 12.8

4.9 - 15.7

3.1 - 13.0

1.7 - 13.2

1.5 - 15.7

Mean/S.D.

9.3/3.5

10.0/2.7

10.8/2.7

9.3/3.6

9.8/3.2

Cu

Range

0.4 - 3.9

0.8 - 3.0

0.6 - 7.6

0.3 - 4.4

0.3 - 7.6

Mean/S.D.

1.6/0.9

2.1/0.4

2.6/1.3

2.5/1.0

2.1/1.0

Zn

Range

0.2 - 4.1

0.6 - 2.0

0.4 - 3.2

0.8 - 4.8

0.1 - 2.0

Mean/S.D.

1.9/0.8

1.3/0.4

2.0/0.9

1.9/0.8

0.3/0.2