Treatment

Organic C

(%)

Total N (%)

P (mg∙kg⁻¹)

K (mg∙kg⁻¹)

S (mg∙kg⁻¹)

Zn ( mg∙kg⁻¹)

Available

Available

Available

Available

NPKSZn

2.10

0.11

19

55

28

4.7

−N

2.14

0.12

30

47

21

4.7

−P

2.07

0.11

3

47

22

5.0

−K

2.14

0.11

19

43

13

5.3

−S

2.41

0.12

22

47

23

4.7

−Zn

2.11

0.11

18

47

16

1.3

Control

1.90

0.09

3

43

20

2.0

Initial soil

1.97

0.08

9.8

70

9

3.3