Environment

Depth

(cm)

NO3-N

(kg∙ha−1)

P

(mg∙kg−1)

K

(mg∙kg−1)

pH

OM

(%)

Zn

(mg∙kg−1)

Fe

(mg∙kg−1)

Cl

(mg∙kg−1)

Hettinger

2014

0 - 15

34

33

345

6.0

2.8

0.88

75

3.5

15 - 30

27

7

175

7.3

2.4

0.32

25

9.0

2015

0 - 15

81

35

625

6.4

3.8

2.17

64

10.6

15 - 30

34

8

200

7.0

2.6

0.37

24

13.9

Minot

2014

0 - 15

138

18

365

4.4

3.2

0.74

86

32.9

15 - 30

28

2

167

6.0

2.2

0.20

35

59.1

2015

0 - 15

88

13

310

5.9

3.7

1.23

62

26.3

15 - 30

20

4

410

6.7

2.4

0.39

32

22.2